RMFK099F–Saguaro cactus (Carnegiea gigantea / Cereus giganteus / Pilocereus giganteus) blooming, showing buds and white flowers, Sonora
RMBGEP74–A low-angle shot of a cactus (Neobuxbaumia tetetzo). Oaxaca - Mexico. Cactus (Neobuxbaumia tetetzo). Oaxaca - Mexique.
RMFJY4GJ–Crested Saguaro cactus (Carnegiea gigantea / Cereus giganteus deformation due to fasciation, Sonoran desert, Arizona, USA
RMBMP9XH–Columnar cactus forest (Neobuxbaumia tetetzo) in summer at Teotihuacan, Mexico.
RMFK0999–Saguaro cactus (Carnegiea gigantea / Cereus giganteus) blooming, showing buds and white flowers, Sonoran desert, Arizona, USA
RM2BNEA63–Gila woodpecker (Melanerpes uropygialys) flying from nest hole in the trunk of an Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja Califor
RMD4C51J–Tetetzo cacti at Hierve el Agua against a deep blue sky.
RM2BNEA6N–Elephant cactus (Pachycereus pringlei) in flower with bees looking for pollen, Vizcaino Desert, Baja California, Mexico, April.
RM2BNEA77–Boojum tree (Fouquieria columnaris), Elephant cactus (Pachycereus pringlei) and Datilillo (Yucca valida) silhouetted at night, Vizcaino Desert, Baja C
RMFWKF51–Close up of a woolly Torch cactus (pilosocereus leucocephalus - cactaceae) in a conservatory
RMPBAG7N–Black-chinned hummingbird (Archilochus alexandri) flying towards an Elephant cactus (Pachycereus pringlei) flower, Vizcaino desert, Baja California, Mexico, May.
RM2AJGW4X–The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 34.—Cephalocereus polylophus. BRITTON AND ROSE, VOL. II. 1. Flowering stem of Cephalocereus pentczdrophorus. 2. Top of stem of Cephalocereus gounellei. 3. Top of stem of Cephalocereus bahamensis, with flower. 4. Fruit of Cephalocereus deeringii. (All natural size.) CEPHALOCEREUS. 33 9. Cephalocereus euphorbioides (Haworth). Cereus euphorbioides Haworth, Suppl. PI. Succ. 75. 1819. ia, ins euphorbioides Sprengel, Syst. 2: 496, 1825. Pilocereus euphorbioides Rumpler in F6rster, Handb. Cact. ed, 2.658. 1885. Pla
RF2C4EARX–Oreocereus celsianus. Cactus from South America that looks very old.
RMW7YXX5–Saguaro cactus (Carnegiea gigantea) flowers, Sonoran Desert National Monument, Sierra Estrella Mountain Wilderness, Arizona, USA, May.
RMME6F96–. Die geologischen grundlagen der abstammungslehre . Fig. 72. A Sporangienähre von Sigillaria. (Nach Goldenberg und Zeillee.) b unterer sporangientragender, b' oberer steriler Teil des Sporophylls. B und C erdachte Übergangs- formen zwischen der Sigillarien-Ähre (A) und der Cactus-Blüte (Fig. D). st die zum Stempel zusammenwachsenden Sporophylle. D Pilocereus. Durchschnitt der Blüte. (Nach Schümann aus Engler-Prantl.) oder mehreren dicht gedrängten Längsreihen (Fig. 68f) oder in Querreihen (Fig. 70). Alle drei Möglichkeiten kehren bei den Cacteen wieder. Bei Mammillarieen und bei vielen Cereus
RM2BNK61C–Saguaro cactus (Carnegiea gigantea) and Prickly pear cactus (Opuntia) Sonoran Desert, Arizona, USA.
RMBGER9F–Cacti (Neobuxbaumia tetetzo) in Summer (Oaxaca - Mexico). Cactus (Neobuxbaumia tetetzo) en été (Oaxaca - Mexique).
RMW7XT8A–Cardon cactus (Pachycereus pringlei) growing at the edge of the sea, CONANP protected area, Catalina Island, Sea of Cortez, Baja Sur, Mexico. February 2014.
RMFK099A–Saguaro cacti (Carnegiea gigantea / Cereus giganteus) blooming, showing buds and white flowers, Sonoran desert, Arizona, USA
RMW7RXFD–Saguaro cacti (Carnegiea gigantea) at sunrise, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, USA, December 2012.
RMFJY4EW–Saguaro cactus (Carnegiea gigantea / Cereus giganteus) with sagging branches caused by frost or snow, Sonoran desert, Arizona
RMW7RXH4–Saguaro cacti (Carnegiea gigantea) twisted by frost, Saguaro National Park, Arizona, USA, December 2012.
RMD4C52N–Higos De Teteche cacti at Hierve el Agua in Oaxaca state, Mexico.
RM2JJBR0P–Oreocereus Celsianus Cactus
RMFWKF6N–Woolly Torch cactus (pilosocereus leucocephalus - cactaceae) in a conservatory in a conservatory
RM2AJFMWY–The Cactaceae : descriptions and illustrations of plants of the cactus family . uernavaca.Mr. Dowell, the cactus dealer in Mexico City, told Dr. Rose that he had exported plantsto Europe, but whether they are now in the trade we do not know. A living specimen sentback by Dr. Rose has since been growing in the Washington Botanical Garden. 6. Pachycereus chrysomallus (Lemaire) Britton and Rose, Contr. U. S. Nat. Herb. 12: 421. 1909. Pilocereus chrysomallus Lemaire, Fl. Serr. 3: under pi. 242. 1847.Cereus chrysomallus Hemsley, Biol. Centr. Amer. Bot. 1: 541. 1880.Cephalocereus chrysomallus Schuma
RF2C4EAT4–Oreocereus celsianus. Cactus from South America that looks very old.
RMBGER6P–Association between cacti (Neobuxbaumia tetetzo) and 'nurse' shrubs (Oaxaca - Mexico). Cactus émergeant d'une forêt de Mimosas.
RMFJY4GA–Saguaro cactus (Carnegiea gigantea / Cereus giganteus) with sagging branches caused by frost or snow, Sonoran desert, Arizona
RMW7RXGY–Top of Saguaro cactus (Carnegiea gigantea) backlit showing thorns, Saguaro National Park, Arizona, USA, December 2012.
RMFK099H–Saguaro cactus (Carnegiea gigantea / Cereus giganteus) blooming, showing buds and bees pollinating white flowers, Arizona, USA
RMFK099G–Saguaro cactus (Carnegiea gigantea / Cereus giganteus) silhouetted against sunset in the Sonoran desert, Arizona, USA
RMFK0998–Saguaro cacti (Carnegiea gigantea / Cereus giganteus) silhouetted against orange sunset, Saguaro National Park, Arizona, USA
RMFWKF67–Close up of a woolly Torch cactus (pilosocereus leucocephalus - cactaceae) in a conservatory
RMFK099B–Saguaro cactus (Carnegiea gigantea / Cereus giganteus) showing buds in the Organ Pipe Cactus National Monument, Arizona, USA
RM2AJG52X–The Cactaceae : descriptions and illustrations of plants of the cactus family . fc FlG. 75.—Cephalocereus rohustus. Fig. 76.—Cephalocereus comeles. 52 THE CACTACEAE. 36. Cephalocereus robustus nom. nov. Pilocereus ulei Schumann, Gesamtb. Kakteen Nachtr. 64. 1903. Not Cephalocereus alei Giirke, 1908.Cereus ulei Berger, Rep. Mo. Bot. Gard. 16: 70. 1905. Tall, much branched, with a rather indefinite trunk, 3 to 7 meters high, pale whitish blue,roughish; ribs 8 or 9, high, separated by acute intervals; areoles closely set, with short dark spinesand longer silky hairs; 3 of the ribs bearing flowers
RMFJY4HR–Saguaro cacti growing through branches of foothill palo verde serving as nurse tree by providing shade and protection, Arizona
RMBGF69N–Cacti (Neobuxbaumia tetetzo) in Summer (Oaxaca - Mexico). Cactus (Neobuxbaumia tetetzo) en été (Oaxaca - Mexique).
RMW7RXH0–Saguaro cactus (Carnegiea gigantea) small limbs, Saguaro National Park, Arizona, USA, December 2012.
RMGAATY8–Low angle view of Saguaro cactus (Carnegiea gigantea) with twisted lowered arms drooping to the ground, a result of frost damage. Honey Bee Canyon, Oro Valley, Arizona, USA. February.
RMW7YW5D–View east from Catalina State Park, with snow covered Saguaro cacti (Carnegiea gigantea) with Cholla (Cylindropuntia) with Santa Catalina Mountains in the background. Arizona, USA, January 2015.
RM2AJFK9R–The Cactaceae : descriptions and illustrations of plants of the cactus family . but is not formally published at the place here cited. Cereus lateribarbatus (Rev. Hort. 1862: 427. 1862) belongs here, according to Lemaire. Illustrations: Blanc, Cacti 77. f. 1715; Rev. Hort. 62: 129. f. 40, as Pilocereuscolumna-trajani; Mollers Deutsche Gart. Zeit. 29: 354. f. 9; MacDougal, Bot. N. Amer.Des. pi. 22, as Pilocereus tetetzo; Schelle, Handb. Kakteenk. f. 43, as Cephalocereuscolumna-trajani. Plate xii is from a photograph taken by Dr. MacDougal at Tomellin Canyon, Mexico. Cereus tetazo Coulter (Contr
RMFJY4HB–Saguaro cacti growing through branches of foothill palo verde serving as nurse tree by providing shade and protection, Arizona
RMFJY4H1–Saguaro cactus growing through branches of foothill palo verde serving as nurse tree by providing shade and protection, Arizona
RMBGERJC–Association between cacti (Neobuxbaumia tetetzo) and 'nurse' shrubs (Oaxaca - Mexico). Cactus émergeant d'une forêt de Mimosas.
RMW7YW4T–View east from Catalina State Park, Saguaro cacti, (Carnegiea gigantea) and Cholla (Cylindropuntia) in snow, with Santa Catalina Mountains, Sonoran Desert, Arizona, USA. January 2015.
RM2AADJCN–Saguaro cactus (Carnegiea gigantea) buds, Organ Pipe Cactus National Monument, Sonora Desert, Arizona, USA, April 2014.
RM2ATWH84–Saguaro cacti (Carnegia gigantea) at sunset, during a summer rain storm. Saguaro National Park, Sonoran Desert, Arizona, USA, August. Digital composite.
RM2AJGE9W–The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 59.Fig. 60.- -Flower of Cephalocereus moritzianus.-Fruit of same. Both X0.7.. Fig. 61.—Cephalocereus moritzianus. Figure 61 is from a photograph taken by Mrs. J. N. Rose near Puerto Cabello, Vene-zuela, in 1916; figure 59 shows the flower of this plant; figure 60 a fruit of same. 22. Cephalocereus arrabidae (Lemaire). Pilocereus arrabidae Lemaire, Rev. Hort. 1862: 429. 1862.Cereus warmingii Schumann in Martius, Fl. Bras. 42: 204. 1890.Pilocereus exerens Schumann in Engler and Prantl, Pflanzenfam. 36a;Cephaloce
RM2AKEJW3–Twisted Saguaro cactus (Carnegiea gigantea) Catalina State Park, near Tucson, Arizona, USA, September.
RMFJY4K8–Ocotillo / coachwhip / candlewood (Fouquieria splendens / Fouquieria spinosa) in bloom and Saguaro cactus (Carnegiea gigantea)
RMW7RXFC–Saguaro cacti (Carnegiea gigantea) Saguaro National Park, Arizona, USA, December 2012.
RM2AADH5X–ARCHIVED SG - Duplicate 10/10/2017. Saguaro cactus (Carnegiea gigantea) at sunset, with drooping frost damaged limbs, South Maricopa Mountains Wilderness, Sonoran Desert National Monument, Arizona, USA, March.
RM2AJEMB6–The Cactaceae : descriptions and illustrations of plants of the cactus family . ught by Dr. Rose from the BotanicalGarden at Santiago, Chile, in 1914; figure 202 is from a photograph taken by Dr. Rose atCoquimbo, Chile, in 1914. 13. Trichocereus terscheckii (Parmentier). Cereus terscheckii Parmentier in Pfeiffer, Allg. Gartenz. 5: 370. 1837.Cereus fercheckii Parmentier, Hort. Beige 5: 66. 1838 (fide Index Kewensis).Cereus julvispinus Salm-Dyck, Cact. Hort. Dyck. 1849. 46. 1850.Pilocereus terscheckii Rumpler in Forster, Handb. Cact. ed. 2. 688. 1885. At first columnar, in age becoming much bran
RMFJY4KN–Saguaro cactus (Carnegiea gigantea) and organ pipe cacti (Stenocereus thurberi), Sonoran desert, Arizona, USA
RMGAATYG–Frost damaged Saguaro cactus (Carnegiea gigantea) with sunset light shining through limbs. South Maricopa Mountains Wilderness, Arizona, USA, March 2015.
RMGAAW06–Great horned owl (Bubo virginianus) chick nesting in Saguaro cactus (Carnegiea gigantea), Santa Catalina Mountains, Arizona, USA, May.
RM2AJGF7Y–The Cactaceae : descriptions and illustrations of plants of the cactus family . fruit from the type plant;plate V is from a photograph of the type colony ofplants on Lower Matecumbe Key, taken by Dr. Smallin May 1917. Figure 50 shows the flower and figure51 the fruit with withering persistent corolla. 17. Cephalocereus robinii (Lemaire). Pilocereus robinii Lemaire, Illustr. Hort. 11: Misc. 74. 1864.Cephalocereus bakeri Britton and Rose, Contr. U. S. Nat. Herb. 12: 415.Cereus bakeri Vaupel, Monatsschr. Kakteenk. 23: 23. 1913. Plant 3 to 8 meters high,branching near and above thebase; branches a
RMFJY4J4–Saguaro cactus growing through branches of foothill palo verde serving as nurse tree by providing shade and protection, Arizona
RMGAAW07–Great horned owl (Bubo virginianus) chicks in nest in Saguaro cactus (Carnegiea gigantea) at sunset, Santa Catalina Mountains, Arizona, USA, May.
RM2BNEA4H–Elephant cactus (Pachycereus pringlei) flowering at night, just before sunrise, Vizcaino Desert, Baja California, Mexico, May.
RM2BNEA5N–Elephant cactus (Pachycereus pringlei) with flowers open just before dawn, Vizcaino Desert, Baja California, May.
RM2BNEA61–Male Hooded oriole (Icterus cucullatus) perched on top of Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja California, Mexixo, May.
RM2BNEA47–Male Gambel's quail (Callipepla gambelii) perched on top of an Elephant cactus (Pachycereus pringlei) Vizcaino Desert, Baja California, Mexico, May.
RMW7RM5A–Magnificent frigatebird (Fregata magnificens) on top of cardon cactus (Pachycereus pringlei), El Requeson beach, Bahia Concepcion, Sea of Cortez (Gulf of California), Mexico, April
RM2AJFKXT–The Cactaceae : descriptions and illustrations of plants of the cactus family . k Botanical Garden,which flowers annually and from which an abundance of flowers has been obtained. Cereus militaris Audot (Rev. Hort. II. 4:307. 1845) and Pilocereus militaris (Salm-Dyck, Cact. Hort. Dyck. 1849. 40. 1850, as synonym) probably belong here. Illustrations: Contr. U. S. Nat. Herb. 10: pi. 18; MacDougal, Bot. N. Amer. Des. pi.16; Xat. Geogr. Mag. 21: 699, as Pilocereus fulviceps; Contr. U. S. Nat. Herb. 12: pi. 66. Plate xi illustrates the top of a flowering plant in the New York Botanical Gardenbrough
RMW7RM57–Magnificent frigatebird (Fregata magnificens) preening on top of cardon cactus (Pachycereus pringlei), El Requeson beach, Bahia Concepcion, Sea of Cortez (Gulf of California), Mexico, April
RM2AJFKJC–The Cactaceae : descriptions and illustrations of plants of the cactus family . Fig. 110.— Flowerof P. marginatus.Natural size. PACHYCEREUS. 75 Figure 110 shows a flower drawn from an herbarium specimen collected by EdwardPalmer at San Luis Potosi, Mexico, in 1905; figure in is from a photograph of the plantused as a hedge near the City of Mexico.. I ... ./t&jBes-j—-a -Pachycereus marginatus used as a hedg 8. Pachycereus ruficeps (Weber). Pilocereus ruficeps Weber in Gosselin, Bull. Mus. Hist. Nat. Paris n: 509. 1905.Cereus ruficeps Vaupel, Monatsschr. Kakteenk. 23: 27. i9!3- Stout, columnar,
RM2J20RCJ–Mission San Xavier del Bac church tower with Saguaro cactus (Carnegia gigantea) against blue sky, Tohono O'odham Reservation, near Tucson, Arizona, US
RM2J20RAF–Saguaro (Carnegiea gigantea) cacti silhouetted against morning sun. Optical phenomenon known as glory in sky caused by sun burning off ground fog. Cab
RM2J20RA4–Saguaro (Carnegiea gigantea), old cactus with twisted descending arms, in morning light. Cabeza Prieta National Wildlife Refuge, Arizona, USA. Februar
RMW7YW4Y–Saguaro cactus (Carnegiea gigantea) with frost damaged limbs, in the South Maricopa Mountains Wilderness, Sonoran Desert National Monument, Arizona, USA, March.
RM2ATWH82–Border wall with razor wire at the Mexican / United States border in Arizona, where the newer taller sections of the border wall pushed by President Trump are being erected in the environmentally sensitive Organ Pipe National Monument, Arizona, USA. August 2019.
RMW7YXX2–Saguaro cactus (Carnegiea gigantea) in flower at night, with The Milky Way behind, Sonoran Desert National Monument, Sierra Estrella Mountain Wilderness, Arizona, USA, May.
RM2AJG6F7–The Cactaceae : descriptions and illustrations of plants of the cactus family . the flesh red; seeds black. Type locality: Near Tehuacan, Mexico. Distribution: Puebla and Oaxaca, Mexico. Illustration: MacDougal, Bot. N. Amer. Des. pi. 17, in part, as Pilocereus chrysacanthus;Mollers Deutsche Gart. Zeit. 29: 356. f. 12. Plate vii, figure 2, is from a photograph taken by Dr. MacDougal near Esperanza,Mexico, in 1906. 31. Cephalocereus maxonii Rose, Contr. U. S. Nat. Herb. 12: 417. 1909. Cereus maxonii Vaupel, Monatsschr. Kakteenk. 23: 23. 1913.Plant 2 to 3 meters high, with few long branches, ere
RMG9XJ2G–Saguaro cactus (Carnegiea gigantea) in flower at night, with The Milky Way behind, Sonoran Desert National Monument, Sierra Estrella Mountain Wilderness, Arizona, USA, May.
RM2CHMEHG–. Ornamental cacti : their culture and decorative value . forms are to be foundin collections but are not at all common. They are grouped withreference to their habits of growth. Measurements, where given, referto mature plants and are only approximate. The list, arranged asit is with reference to size, will serve as a guide to prospective pur-chasers in dealing with collectors and traders. Columnar Forms of Cacti. Tall—over 6 feet in height. Cephalocereus: Cereus—Contd. Cereus—Contd. Pilocereus—Contd chrysomalus. euphorbioides. peruvianus. cometes. senilis. forbesii. pringlei. exerens. Cereus
RMG9XJ1B–Saguaro cactus (Carnegiea gigantea) in flower at night, with The Milky Way behind, Sonoran Desert National Monument, Sierra Estrella Mountain Wilderness, Arizona, USA, May.
RMW7YW50–Saguaro cactus (Carnegiea gigantea) with twisted drooping arms resulting from frost damage and subsequent healing of the succulent's limbs. Catalina State Park, Arizona, USA.
RMW7YW58–Frost damaged Saguaro cactus (Carnegiea gigantea) in the South Maricopa Mountains Wilderness, Arizona, USA. January.
RMW7XT86–Cardon cactus (Pachycereus pringlei) growing at the edge of the sea, CONANP protected area.Catalina Island, Sea of Cortez, Baja Sur, Mexico. February 2014.
RMW7RXH3–Saguaro cactus (Carnegiea gigantea) at sunrise, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, USA, December 2012.
RMRFT0CD–. Carnegie Institution of Washington publication. CEPHALOCEREUS. 53 (Cephalocereus sartorianus),andis sometimes applied to the Guatemalan species (C. maxonil). As a result of Dr. Rose's explorations in Sonora in 1910, additional material, both living and herbarium, was obtained, which enables us to reestablish this species as Sonoran. In 1908, Dr. Palmer sent photographs and speci- mens of a Cephalocereus from Batopilas, Chihuahua, which we believe may belong here. Cereus foersteri (Sencke, Cat. 1861) and Pilocereus marschalleckianus (Zeissold, Cat. 1899) are given by Schumann as synonyms of t
RMW7RXH6–Saguaro cactus (Carnegiea gigantea) at sunrise, Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, USA, December 2012.
RMRFT0BF–. Carnegie Institution of Washington publication. Figure 78 shows the type plant as it grows in thickets along the coast at Santa Rosa; figure 79 shows it as it grows in the open below Ayapamba, both from photographs by George Rose; figure 80 shows a flower and figure 81 a fruit collected by Dr. Rose near Ayapamba, Ecuador, in 1918. 42. Cephalocereus alensis (Weber) Britton and Rose, Contr. U. S. Nat. Herb. 12: 415. 1909. Pilocereus alensis Weber in Gosselin, Bull. Mus. Hist. Nat. Paris 11:508. 1905. Cereus alensis Vaupel, Monatsschr. Kakteenk. 23: 23. 1913. FIG. 80.—Flower of C. tweedyanus. X
RMW7WM55–Sunset light on twisted Saguaro cactus (Carnegiea gigantea) Sonoran Desert National Monument, Arizona, USA, April.
RMPB8FMW–Great horned owl (Bubo virginianus) chicks in nest in Saguaro cactus (Carnegiea gigantea), Santa Catalina Mountains, Arizona, USA, May.
RMW7XT84–Cardon cactus (Pachycereus pringlei) and Biznaga/Barrel cactus (Ferocactus diguetii),growing at the edge of the sea, CONANP protected area.Catalina Island, Sea of Cortez, Baja Sur, Mexico. February 2014.
RMW7WM5B–Saguaro cacti (Carnegiea gigantea) covered with snow, with the Catalina State Park, Santa Catalina Mountains, Arizona, USA, February.
RM2J1W67X–Border wall between United States and Mexico through Sonoran Desert with Saguaro (Carnegiea gigantea) cacti, in morning light. Organ Pipe Cactus Natio
RM2J1W5E0–Great horned owl (Bubo virgininus) with chicks in nest in Saguaro cactus (Carnegiea gigantea) Sonoran desert, Arizona, USA.
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