滇西蝴蝶兰 dian xi hu die lan

Doritis stobartiana (H. G. Reichenbach) T. Yukawa & K. Kita; Kingidium stobartianum (H. G. Reichenbach) Seidenfaden; Phalaenopsis wightii H. G. Reichenbach var. stobartiana (H. G. Reichenbach) Burbidge; Polychilos stobartianus (H. G. Reichenbach) Shim.

Stems very short, usually 3- or 4-leaved. Leaves often deciduous during dry season, but present at anthesis, ovate-lanceolate, oblong, or elliptic, 7-11 × 3-3.4 cm. Inflorescences 1 or 2, often ascending, 7-37 cm, unbranched, laxly 2-4-flowered; floral bracts ovate-triangular, 4-5 mm. Flowers opening widely, sepals and petals apple-green to dark olive-green, lip and column brilliant rose; pedicel and ovary 4-4.3 cm. Dorsal sepal oblong-elliptic, ca. 14 × 6 mm, base slightly contracted, apex obtuse; lateral sepals slightly oblique, ovate-elliptic, ca. 14 × 7 mm, subacute. Petals elliptic-obovate, ca. 14 × 6 mm, obtuse; lip base with a claw ca. 1 mm, lip 3-lobed; lateral lobes ca. 7 × 3.5 mm, narrow; mid-lobe obovate-elliptic, ca. 8 × 5 mm, narrowed toward base, apex mucronate, base with a deeply bilobed-tipped appendage, with a central longitudinal keel thickened toward base; callus concave adaxially and distinctly convex abaxially on disk. Column ca. 7 mm, base dilated, foot ca. 2 mm. Fl. May-Jun.

● Epiphytic on tree trunks in forests; 1300-1400 m. W Yunnan.