RM2BX9PP0–Bignonia phellosperma Hemsl LG Lohmann Bignonia phellosperma Hemsl LG Lohmann.
RMAAKEAH–Corky Seed Pincushion or California Pincushion or Fishhook Cactus Mammillaria tetrancistra
RMRG5BY6–. The Cactaceae : descriptions and illustrations of plants of the cactus family. . Fig. 58.—Phellosperma tetrancistra. l''i<;. 59.—Dolichothele longimamma. Mammillaria camptotricha Dams (Gartenwelt 10: 14. 1905) is usually considered as a close relative of this group, but it differs widely from it in the flowers as well as in other ways, and we believe that it is not congeneric with it (see page 126). Three species, natives of southern Texas and northern and central Mexico, are recognized. Key to Species. Spines glabrous, even when very young; species of Texas and northern Mexico i. D. spha
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