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Type: Article
Published: 2015-07-15
Page range: 69–76
Abstract views: 18
PDF downloaded: 1

A new species of Aristolochia subgenus Siphisia (Aristolochiaceae) from central Vietnam


Technische Universität Dresden, Institut für Botanik, Zellescher Weg 20b, D-01062 Dresden, Germany. Vietnam National Museum of Nature, Vietnam Academy of Science & Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam.
Technische Universität Dresden, Institut für Botanik, Zellescher Weg 20b, D-01062 Dresden, Germany.
Technische Universität Dresden, Institut für Botanik, Zellescher Weg 20b, D-01062 Dresden, Germany.
Aristolochia new species Siphisia taxonomy tropics Vietnam Magnoliids

Abstract

Aristolochia annamensis, a new species from central Vietnam, is described and illustrated. This new species, belonging to Aristolochia subgenus Siphisia, is characterized by a truncate to slightly cordate leaf base, a strongly constricted, a straight, oblong, cylindrically-shaped upper tube without veins, 3–3.2 cm long, limb subcordate with margin of three lobes somewhat recurved, but not revolute, inner surface of limb smooth, annulus absent, throat densely covered with purple dots. In addition to the description, line drawings, ecology, conservation status as well as comparison with morphologically similar species are provided.