凹唇石仙桃（新拟）
Pholidota convallariae (Rchb. f.) Hook. f. in Hook. Icon. Pl. 19: t. 1880. 1889, et Fl. Brit Ind. 5: 846. 1890; W. W. Smith in Not. Bot. Gard. Edinb. 13: 218. 1921; Seidenf. in Opera Bot. 89: 104. fig. 58. 1986, et 114: 128. 1992; E. F. de Vogel in Orch. Monogr. 3: 70. 1988; Averyanov, Iden. Guide Vietnam. Orch. 119. 1994. ——Coelogyne convallariae Rchb. f. in Flora 55: 277. 1872.
Epiphytic on trees in forests; ca. 1500 m. SW Yunnan [NE India, Myanmar, Thailand, Vietnam].
本种自Forrest采到3份标本外，我们迄今未采到。上面花的描述是根据Forrest7799号标本作出的。
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Rhizome creeping, covered with scaly sheaths. Pseudobulbs narrowly ovoid, 2.5-5 × ca. 1.5 cm, apex 2-leaved. |
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Leaf blade narrowly elliptic, 15-20 × 2-2.5 cm, obtuse or shortly acuminate; petiole 1-2 cm. |
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Inflorescence arising with young pseudobulb and young leaves from base of last pseudobulb, 15-20 cm; rachis 10- or more flowered; floral bracts caducous, linear, 1-1.5 cm. Flowers fragrant, white or creamy white, sometimes with a pale green center, 5-6 mm in diam.; pedicel and ovary ca. 5 mm. Dorsal sepal suboblong or elliptic, ca. 5 × 2-2.5 mm, obtuse; lateral sepals obliquely ovate, slightly wider than dorsal sepal. Petals ovate-elliptic, 4-4.5 × ca. 2.5 mm, obtuse; lip shallowly saccate, ca. 4 mm, apex emarginate, base with 3 longitudinal lamellae ca. 1 mm. Column ca. 1.7 mm, stout, apex with a broad wing ca. 1.4 mm high; rostellum nearly transversely oblong, ca. 1.5 mm wide. Fl. unknown.
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Fruit ： |
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