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DOI

10.5642/aliso.20012001.03

First Page

1

Last Page

15

Abstract

The paper presents a systematic monograph of Fallugia (Rosoideae, Rosaceae) consisting of one variable species, Fallugia paradoxa. Morphological, cytological and molecular data clearly support its relationship with Geums.l. rather than Purshia-Cowani, with which it is often allied. The species was named twice independently in 1825 from the specimens and drawings, respectively, assembled by Sessé and Mociño for their proposed Flora Mexicana. The paper discusses the nomenclatural history, morphological variation, and the polygarno-dioecious mode of reproduction of the species. No infraspecific taxa are recognized.

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© 2001 James Henrickson

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