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Hildegardia dauphinensis (Malvaceae, Sterculioideae): a new species from southeastern Madagascar

John G. ZABORSKY

en Adansonia 31 (1) - Pages 143-148

Published on 26 June 2009

Hildegardia dauphinensis J. G. Zaborsky, a new species from southern Madagascar, is described and illustrated. Closely resembling Hildegardia perrieri (Hochr.) Arènes, it differs in having distinctive multi-branched stellate hairs on the calyces and leaves, and in having flat (not revolute) leaf blades. Known only from the type specimen collected near Fort Dauphin, it is Critically Endangered. A key to the four Malagasy species of Hildegardia Schott & Endl. is also presented.
Keywords :
Sterculioideae, Malvaceae, Hildegardia, conservation, Madagascar, new species
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