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Systematics and Evolution of Ludwigia sect. Myrtocarpus sensu lato (Onagraceae)
Systematics and Evolution of Ludwigia sect. Myrtocarpus sensu lato (Onagraceae)


 
MONOGRAPHS IN SYSTEMATIC BOTANY FROM THE MISSOURI BOTANICAL GARDEN, VOLUME 19
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ISBN: 0161-1542

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Description
 

Ludwigia, comprising about 82 species grouped in 23 sections, is the only member of the tribe Jussiaeeae of the plant family Onagraceae. Recent data indicate that Ludwigia is the sister group of the other members of the family, all of which share a common ancestor distinct from Ludwigia. Within Ludwigia itself, the 30 species treated in this paper share a number of plesiomorphic characteristics, which led previous authors to group them in sect. Myrtocarpus sensu lato. In fact, this group includes a number of disparate elements. We have concluded that it is best divided into seven sections, of which sect. Cinerascentes is newly proposed in this paper.

Six new combinations and one new name are proposed here, and one new species is described.

Publication Information
  • Publisher: Missouri Botanical Garden Press
    Authors: T. P. Ramamoorthy and E. M. Zardini
    Publication Date: 1987
    ISSN: 0161-1542
    Format: Softcover
    Pages: 120
    Illustrated: Yes