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| Corybas circinatus in Tandang, Bustamante, Ferreras, et al., 2020. |
Abstract
Corybas circinatus, a new species of helmet orchid endemic to ultramafic habitats on the island of Palawan, Philippines, is hereby described and illustrated. This species is distinct in bearing a small glandular protuberance at the front of its pedicel, a 4-lobed entire labellum, and a distinctive strongly incurved dorsal sepal. The general colouration of the floral and vegetative parts is also highly characteristic, and the general lowland to mid-montane ecology of the species is unique amongst the known Philippines Corybas.
Keywords: Corybas, Diuridae, Acianthinae, helmet orchid, ultramafic, Malesia, taxonomy, Monocots
Danilo N. Tandang, Rene Alfred Anton Bustamante, Ulysses Ferreras, Annalee S. Hadsall, Stephanie Pym-Lyon and Alastair S. Robinson. 2020. Corybas circinatus (Orchidaceae), A New Species from Palawan, the Philippines. Phytotaxa. 446(2); 135–140. DOI: 10.11646/phytotaxa.446.2.7
