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

83. Bulbophyllum melanoglossum Hayata, Icon. Pl. Formosan. 4: 49. 1919.

紫纹卷瓣兰 zi wen juan ban lan

Bulbophyllum linchianum S. S. Ying; B. melanoglossum var. rubropunctatum (S. S. Ying) S. S. Ying; B. rubropunctatum S. S. Ying; Cirrhopetalum melanoglossum (Hayata) Hayata; C. striatum T. S. Liu & H. J. Su.

Rhizome creeping, 1-2 mm in diam. Pseudobulbs 1-6 cm apart on rhizome, ovoid, usually 1-1.5 cm, 5-7 mm in diam., with a terminal leaf. Leaf subsessile; blade obovate-lanceolate or oblong, 4-8 × 0.8-1.5 cm, leathery, apex obtuse and retuse or apiculate. Scape from base of pseudobulb, yellowish green, with purplish red spots, 7-12 cm; umbel several to 10-flowered; peduncle slender, ca. 0.6 mm in diam., sparsely with 2 or 3 sheaths; floral bracts narrowly lanceolate, ca. 3 mm. Pedicel and ovary 6-12 mm. Sepals and petals pale yellow, usually densely with purplish red stripes or spots; lip reddish adaxially, yellow abaxially. Dorsal sepal ovate, 4.5-5 × 2.5-3 mm, 3-veined, margin fimbriate-ciliate, apex acute; lateral sepals narrowly lanceolate, 12-20 × ca. 3 mm, 5-veined, twisted near base, their upper and lower edges ± connate forming a somewhat tubular synsepal, base broad and adnate to column foot, margin entire, apex acute. Petals ovate-elliptic, 3-3.5 × 1.5-1.8 mm, apex acute and with a black blotch, ciliate; lip recurved, ligulate, ca. 2.5 mm, fleshy, base attached to end of column foot, immobile. Column suberect, yellow, ca. 1.5 mm; foot ca. 1.5 mm, with many purplish red spots; stelidia subulate, ca. 1 mm; anther cap yellow, finely papillate. Fl. May-Jul.

● Tree trunks in forests, on rocks along valleys; 400-1800 m. C and S Fujian, Hainan, Taiwan.


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