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Taxonomic Novelties in American Agave (Agavaceae)

Wendy C. Hodgson
Novon
Vol. 11, No. 4 (Winter, 2001), pp. 410-416
DOI: 10.2307/3393152
Stable URL: http://www.jstor.org/stable/3393152
Page Count: 7
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Taxonomic Novelties in American Agave (Agavaceae)
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Abstract

In the course of preparing a taxonomic treatment of Agave (Agavaceae), recognition of four taxonomic novelties is needed. Agave phillipsiana is a new, rare species known only from four sites in Grand Canyon National Park and is distinguished by its open rosette, large glaucous leaves, narrowed paniculate inflorescence, and large flowers. Two new combinations are proposed: Agave deserti var. pringlei (Gentry) W. C Hodgson & Reveal and A. deserti var. simplex (Gentry) W. C. Hodgson & Reveal. A new interspecific hybrid, Agave x ajoensis is described. The hybrid is known from a single population restricted to Organ Pipe Cactus National Monument with A. deserti var. simplex and A. schottii var. schottii as putative parent taxa.

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