Supplementary notes on Mexican Echinocereus (2)

N. P. Taylor

doi:10.25223/brad.n7.1989.a6

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N. P. Taylor¹

¹The Herbarium, Royal Botanic Gardens Kew, Richmond, Surrey TW9 3AE, U.K.

Abstract

This is the second part of a series of notes and new taxa supplementary to the author's The Genus Echinocereus (1985), continued from Bradleya 6: 65–84 (1988), and dealing with Mexican species in sections Reichenbachii, Wilcoxia and Pulchellus. E.pentalophus is transferred from sect. Echinocereus and allied with E. subinermis. The description of E. bristolii is amplified and var. pseudopectinatus elevated to specific rank. The circumscription of E. pulchellus varieties is revised and var. sharpii N.P. Taylor (var. nov.) from Nuevo Leon is described.