Journal
PLANT SYSTEMATICS AND EVOLUTION
Volume 234, Issue 1-4, Pages 137-153Publisher
SPRINGER WIEN
DOI: 10.1007/s00606-002-0195-z
Keywords
Antiphytum; Echiochilon; Ogastemma; Sericostoma; Boraginaceae; Echiochileae phylogeny; atpB; tribes; biogeography
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The genera Antiphytum, Echiochilon, Ogastemma and Sericostoma, which have been difficult to place within the tribes of the subfamily Boraginoideae (Boraginaceae), are analysed using plastid atpB sequence data. A selection of Boraginaceae genera was used to obtain a framework for the phylogenetic position of Antiphytum, Echiochilon, Ogastemma and Sericostoma. Sericostoma is found to belong within Echiochilon. The new tribe Echiochileae, Boragineae and Lithospermeae are monophyletic but the tribes Eritrichieae and Cynoglosseae are paraphyletic. The biogeography of Echiochileae (Echiochilon and Ogastemma from Africa and western Asia, and Antiphytum from America) is discussed.
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