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FOC | Family List | FOC Vol. 25 | Orchidaceae

98. Spathoglottis Blume, Bijdr. 400. 1825.

苞舌兰属 bao she lan shu

Authors: Xinqi Chen & Alexandra Bell

Herbs, terrestrial. Pseudobulbs ovoid or globose, with a few leaves. Leaf blade plicate, narrow, base contracted into a long petiole-like stalk, not articulate, apex acuminate. Inflorescence terminal, erect, racemose, arising from base of pseudobulb; peduncle with several sheaths; rachis sparsely few flowered; floral bracts shorter than pedicel and ovary. Flowers opening widely, medium-sized. Sepals similar. Petals similar to sepals but usually wider; lip not spurred, adnate to base of column, 3-lobed; lateral lobes suberect; mid-lobe clawed at base; disk and claw of mid-lobe often with keels or other appendages. Column arcuate, slender, upper part enlarged, winged, without column foot; rostellum not lobed; pollinia 8, in 2 groups, narrowly obovoid, subequal in size, waxy, commonly adherent to a solitary triangular viscidium.

About 46 species: tropical Asia to Australia and the Pacific islands; three species in China.

1 Flowers purple; floral bracts and ovary glabrous.   1 S. plicata
+ Flowers yellow; floral bracts and ovary hairy   (2)
2 (1) Inflorescence 20-50 cm, densely pubescent; lateral lobes of lip oblong, mid-lobe distinctly clawed in basal half 3-6 mm.   2 S. pubescens
+ Inflorescence 8-13 cm, sparsely pubescent; lateral lobes of lip ovate-triangular, mid-lobe with short claw at base ca. 2 mm or less.   3 S. ixioides

Lower Taxa


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