Studies on Schismatoglottideae (Araceae) of Borneo XXIV – Two new species of Aridarum from Kalimantan, and notes on the Aridarum Burttii Complex
Authors: Wong, Sin Yeng; Boyce, Peter C.; Ling, Low Shook
Source: Willdenowia - Annals of the Botanic Garden and Botanical Museum Berlin-Dahlem, Volume 42, Number 2, 17 December 2012 , pp. 261-268(8)
Abstract:Two taxonomically novel Aridarum species, A. kazuyae and A. orientale, are described from Kalimantan Timur, Indonesian Borneo. They are most similar to A. burttii from Sarawak, and together with A. minimum from Kalimantan Barat represent a morphotaxon, here called the Burttii Complex, defined by staminate flowers comprised of one stamen with an obliquely excavated expanded connective, hemispherical interstice staminodes, a spathe limb deliquescing acroscopically from its junction with the lower persistent portion and leaf blades with adaxially prominently raised primary lateral veins. Recognition of the new species proposed here takes the genus Aridarum to 12 accepted species. A key to all Aridarum species is provided, the two new species are illustrated and a comparison plate of the spadices of the four species assigned to the Burttii Complex as well as notes on the defining morphological features of this species group and some brief observations on pollination are given.
Document Type: Research Article
Publication date: December 17, 2012
- Willdenowia is a peer-reviewed botanical journal with an international authorship, publishing original research papers in English from the entire fields of plant, algal and fungal taxonomy and systematics, also covering related fields. Its precursor was founded in 1895 as Notizblatt des Königlichen Botanischen Gartens und Museums zu Berlin and 1954 continued with its present title commemorating Carl Ludwig Willdenow, 1765-1812, director of the Botanic Garden, first professor of botany in Berlin and author of the fourth edition of Linne's Species Plantarum. Willdenowia appears in two issues per year in a print edition and an open access online edition.
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