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5. Bulbophyllum sect. Macrocaulia (Blume) Averyanov, Opred. Orkhid. Vetnama. 279. 1994.
巨球组 ju qiu zu
Diphyes sect. Macrocaules Blume, Bijdr. 318. 1825 ["Macrocaulia"].
Rhizome creeping; roots sprouting along rhizome, spreading; new shoots arising well above basal node of pseudobulb. Pseudobulbs distinct, apex with 1 leaf. Leaves persistent or deciduous, thin to thick. Inflorescences arising near pseudobulbs, solitary or a few in succession, 1-flowered. Pedicel with basal node distinctly more than 1 × diam. of pedicel above attachment of subtending bract. Sepals free, ± equally long or lateral sepals somewhat longer, margins glabrous, 3-veined. Petals: margins glabrous, 1-veined; lip glabrous adaxially, margins without auricles or lateral lobes, glabrous. Column: stigma not protruding at its base, foot distinct; anther: front margin not or slightly projecting, abaxially with a rounded crest; pollinia 4, inner 1/2 as long as outer or shorter, all without appendages.
Sixty-three provisionally accepted species: Nepal to the Philippines and Sulawesi; three species (one endemic) in China.
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1 |
Lip elliptic to ovate; lip margins rounded in proximal half. |
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25 B. ovalifolium |
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Lip with a triangular basal part and a distally swollen top part |
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(2) |
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2 (1) |
Lip 1.5-2 mm, top part coarsely verrucose. |
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26 B. catenarium |
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Lip ca. 4 mm, top part glabrous. |
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27 B. menghaiense |
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