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

8. Pinalia excavata (Lindley) Kuntze, Revis. Gen. Pl. 2: 679. 1891.

反苞苹兰 fan bao ping lan

Eria excavata Lindley, Gen. Sp. Orchid. Pl. 67. 1830; E. flava Lindley var. rubida Lindley; E. sphaerochila Lindley.

Rhizome rather short, stout. Pseudobulbs borne ca. 1 cm apart from each other, cylindric, ca. 3 cm, consisting of 1 distinct internode, sheathing at base, apex 4- or 5-leaved. Leaf blade elliptic-oblanceolate, 16-18 × 2-3.4 cm, base contracted into petiole, apex acute. Inflorescence arising from leaf axil, erect, 15-18 cm, reddish brown pubescent, sparsely few flowered; floral bracts lanceolate, 7-8 mm, abaxially brown pubescent, apex acuminate. Flowers white; pedicel and ovary 7-8 mm, brown pubescent; sepals and petals brown pubescent abaxially. Dorsal sepal subelliptic, ca. 9 × 3 mm, acute; lateral sepals falcate-lanceolate, ca. 9 × 4 mm, acute. Petals elliptic, ca. 6 × 2 mm, acute; lip suborbicular, nearly 5 mm, concave at base, 3-lobed from near base; lateral lobes ovate-triangular, small, obtuse, each with an erect callus adaxially; mid-lobe subreniform, ca. 4 × 5 mm, apex emarginate, warty-rugulose, with variable calli, usually 2-callose basally, sometimes with 5 flabellate, lamellate or thickened veins from base; central one extending to apex forming an apiculum. Column ca. 1 mm; foot incurved. Capsule cylindric, 1-1.5 cm. Fl. Jun. 2n = 34, 40.

Broad-leaved forests along valleys; 1700-2100 m. S and SE Xizang [Bhutan, NE India, Nepal].


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