6. Pinalia bipunctata (Lindley) Kuntze, Revis. Gen. Pl. 2: 679. 1891.
双点苹兰 shuang dian ping lan
Eria bipunctata Lindley, Edwards’s Bot. Reg. 27(Misc.): 83. 1841; E. eberhardtii Gagnepain.
Rhizome inconspicuous. Pseudobulbs contiguous, narrowly obovoid or clavate, somewhat compressed, 3-4 cm × 8-12 mm, usually with 1 or 2 nodes, apex usually 4-leaved (only 1 or 2 persistent on old pseudobulb). Leaves shortly petiolate, obovate, obovate-elliptic, or elliptic, 3-6 × 1-2 cm, base attenuate, apex obtuse. Inflorescences often 2, arising from near apex of pseudobulb, arching, 3-4 cm, sparsely pubescent, sparsely 10- or more flowered; floral bracts reflexed, broadly elliptic, ca. 5 mm, acute. Flowers white, glabrous; pedicel and ovary ca. 5 mm, sparsely pubescent. Dorsal sepal broadly elliptic, ca. 5 × 2 mm, obtuse-rounded; lateral sepals oblong-elliptic, ca. 6 × 4 mm, acute; mentum ca. 3 mm. Petals oblong, ca. 4 × 1.5 mm, obtuse-rounded; lip rhombic in outline, ca. 4 × 4 mm, 3-lobed; lateral lobes perpendicular to mid-lobe, subtriangular, ca. 3 mm; mid-lobe subtriangular, ca. 1 × 1 mm, conspicuously thickened. Column ca. 2 mm (with anther cap); foot ca. 3 mm. Fl. Jul.
Epiphytic on tree trunks in forests; 1700-1800 m. S Yunnan [NE India, Thailand, Vietnam].