Hamatocactus bicolor (Terán & Berlandier) I.M. Johnston. Twisted-rib Cactus. Phen: Apr-Sep. Hab: Grasslands, shrublands, mesquital. Dist: C. and s. TX, COA, NLE, TAM.
Origin/Endemic status: Native
Synonymy ⓘ: = FNA4, K3, K4; > Echinocactus setispinus Engelm. – S13; > Echinocactus setispinus var. hamatus Engelm. – Weniger (1984); > Echinocactus setispinus var. setaceus Engelm. – Weniger (1984); > Thelocactus setispinus (Engelm.) E.F.Anderson – NcTx
Heliophily ⓘ: 9
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