菱唇毛兰（海南植物志）
Eria rhomboidalis T. Tang et F. T. Wang in Acta Phytotax. 1 (1): 86. 1951; 海南植物志 4: 228. 1977.
On rocks in forests; 700-1300 m. SW Guangxi, SW Guizhou, Hainan, SE Yunnan [?Vietnam].The type specimen was collected from Hainan.
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Rhizome slender, 1-2 mm in diam.1 pseudobulb per 2-4 cm, with 1 membranous sheath between pseudobulbs ; |
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Pseudobulbs borne 2-4 cm apart from each other, oblong-cylindric, 0.9-1.5 cm × 4-6 mm, apex 2-leaved. |
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Leaves shortly petiolate, narrowly elliptic or ovate-elliptic, 2-6 × 0.6-1.5 cm, apex acute and apiculate. |
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Inflorescence subterminal, on outer side of leaves, ca. 2.5 cm, 1-flowered, with 1 or 2 sheaths at base; floral bracts ovate, ca. 1 mm, acute. Flowers cream-colored and lavender or red; pedicel and ovary ca. 1 cm. Dorsal sepal elliptic, ca. 11 × 4 mm, obtuse; lateral sepals ovate-lanceolate or triangular, oblique, ca. 18 × 6-7 mm, obtuse; mentum ca. 6 mm. Petals slightly curved, oblong-lanceolate, ca. 10 × 3 mm, obtuse; lip subrhombic, 10-17 × 7-10 mm, base narrowed into a claw, apical quarter 3-lobed; lateral lobes oblong, margins slightly obtusely toothed or entire; mid-lobe trapezoid, ca. 4 × 5-6 mm, barbate on adaxial veins, margin irregularly dentate, subtruncate; disk with 2 lamellae extending from base to near base of mid-lobe. Column ca. 4 mm, foot ca. 8 mm. Fl. Apr-May. |
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