Karwinskia humboldtiana (J.A. Schultes) A. Gray. Coyotillo. Phen: May-Jun (-Sep). Hab: Ravines and stream bottoms. Dist: S. and Trans-Pecos TX south to a widespread distribution in Mexico.
Origin/Endemic status: Native
Synonymy: = FNA12, K3, K4, NcTx, Tx
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