Six new species of Zingiber (Zingiberaceae) from Borneo |
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Authors: | I Theilade J Mood |
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Institution: | Botanic Garden, University of Copenhagen, Øster Farimagsgade 2B, DK-1353 Copenhagen K, Denmark.;Waimea Arboretum and Botanical Garden, 59–864 Kam Highway, Haleiwa, Hawaii, 96712, USA |
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Abstract: | Six new species of the genus Zingiber from Borneo are presented. Z viridiflavum was collected in primary lowland forest, while Z chlorobracteatum was collected in hilly secondary forest. Both are characterized by their slender fusiform inflorescences with yellow-green bracts. Z. flagelliforme found in primary lowland forest displays a peculiar reproduction habit in its tapering leafy shoots which bend over to trail on the ground where plantlets produced in the leaf-axis take root. Z velutinum was found in mid-elevation secondary forest. It is a tall plant with large ovate inflorescences and bright red, densely hairy bracts. Z phillippsii was found in a gulley in montane primary forest. It is vegetatively characterized by its purple stems and glabrous leaves while the inflorescence has a similarity to the common Bornean species Z. coloratum. Z. georgeii is distinct by its procumbent inflorescences with orange bracts. Z viridiflavum, Z. chlorobracteatum, Z. flagelliforme, Z. phillippsii and Z velutinum are from Sabah and Z georgeii is from Sarawak. |
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