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Published In: De Orchideis Europaeis Annotationes 28–29, 36–37. 1817. (Aug.-Sept. 1817) (De Orchid. Eur.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: J. RENZ
General/Distribution: A widely distributed genus of c. 50 species in the temperate and tropical regions of the Old and New World, Australia and New Zealand, in Africa only in the mediterranean area.


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Plants slender, with shortened rhizome and fasciculate, fleshy roots. Leaves radical or cauline, petiolate. Inflorescence terminal, rachis often spirally twisted. Flowers resupinate, white, whitish-green, pale yellow or rose. Perianth segments subequal; the dorsal sepal adhering with petals to form a hood; lateral sepals ± spreading. Labellum sessile, spurless, entire, somewhat constricted in the middle, front with ± undulate-erose margin. Column short; anther dorsal, erect; pollinia 2, mealy, with short caudicles, fixed on a mutal viscid gland; rostellum prominent, erect, bifid, with the viscidium inserted in the bifurcation; stigmata 2, ± confluent. Ovary sessile, twisted.
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