Dinema polybulbon (Dinema polybulbon)
Description
Dinema, is a monotypic genus of epiphytic orchids Its only species: Dinema polybulbon ( Sw. ) Lindl. Gen. Sp. Orchid. Pl.: 111 (1831), is native to Mexico, Central America and the Caribbean. They are epiphytes or lithophytes ; with pseudobulbs 10 mm long and 6 mm wide, spaced 1-1.5 cm in the creeping rhizome slightly compressed, yellowish-green, apically bi-foliated. The leaves are 15 mm long and 8 mm wide, obtuse, emarginated, bright green. The inflorescence is uniflora or rarely with 2 flowers, terminal, the flowers of 15 mm in diameter, the sepals and the brownish-yellow petals the lipwhite to yellowish-white with yellow nail, column is white with purple spots; the sepals 9 mm long and 2 mm wide, shortly acuminate; petals 9 mm long and 1.5 mm wide; the simple lip, 9 mm long and 6 mm wide, unguiculated, adnate to the base of the column, with the disc dilated and with wavy edges, thickened nail of 2 mm wide; the column 5 mm long, with 2 conspicuous extensions at the apex, the anther is terminal, polynios 4; ovary 15 mm long, pedicelled. The fruits are ellipsoid capsules.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Liliopsida
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Order: Asparagales
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Family: Orchidaceae
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Genus: Dinema
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