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FOC | Family List | FOC Vol. 25 | Orchidaceae | Crepidium

9. Crepidium calophyllum (H. G. Reichenbach) Szlachetko, Fragm. Florist. Geobot., suppl. 3: 125. 1995.

美叶沼兰 mei ye zhao lan

Microstylis calophylla H. G. Reichenbach, Gard. Chron., n.s., 12: 718. 1879; Malaxis calophylla (H. G. Reichenbach) Kuntze; M. calophylla var. brachycheila (J. D. Hooker) Tang & F. T. Wang; Microstylis scottii J. D. Hooker; M. wallichii Lindley var. brachycheila J. D. Hooker.

Plants terrestrial. Stem cylindric, 2-3(-5) cm, 2-3 mm in diam., fleshy, with several nodes, ± enclosed in sheaths. Leaves 2-4, adaxially pale brown and stained with white on both sides, obliquely ovate, ovate-elliptic, or narrowly ovate, 3.5-8(-12) × 1.5-4(-5) cm, base contracted into an amplexicaul petiole 1.5-3 cm, margin ± crisped, apex acuminate. Peduncle 7-30 cm, nearly wingless; rachis 2.5-12 cm, 10-20- or more flowered; floral bracts narrowly lanceolate or nearly subulate, 1.5-2.5 mm. Flowers pale yellowish green, lip with purplish red base; pedicel and ovary 2.5-4 mm. Dorsal sepal suboblong, 4-4.5 × 1.5-1.8 mm, margin revolute, apex obtuse; lateral sepals broadly oblong-elliptic, 4-4.5 × 2-2.5 mm, margin revolute. Petals narrowly linear, ca. 4 × 0.3 mm, apex obtuse; lip superior, broadly ovate-elliptic or broadly oblong in outline, 5-5.5 × 3.5-4 mm, base with a central depression surrounded by a fleshy ridge; abruptly contracted toward apex into a short apiculus and shallowly 2-lobed, auricles ovate, 1.7-2.2 mm, decurrent backward embracing column. Column ca. 1 mm, stout, apex with 2 triangular-lanceolate wings. Capsule obovoid-ellipsoid or narrowly obovoid-oblong, 9-13 × 4-5 mm; fruiting pedicel 4-5 mm. Fl. Jul, fr. Sep.

Humus-rich soils in dense forests; 800-1200 m. Hainan, S Yunnan [Cambodia, India (Sikkim), Indonesia, Malaysia, Myanmar, Thailand, Vietnam].


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