The Oncidium Section Onusta
Another Section, established by Garay and Stacy in their 1974 review, 2 again on a single species, onustum. This Section is botanically identified by the plants produc-ing more or less well developed pseudobuibs, either with an aborted terminal appendage, or with normally developed leaves. The leaves are leathery or fleshy with a bluntly serrated edge towards the apex. The flower sepals and petals are spreading. The lip has distinct lateral lobes, the column is short with auricies and a short rostellum. The Section is closely allied to the Oncidium Section.2
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Site established 9th May 1998
Oncidium series first uploaded 20 October 1999