3. Sunipia intermedia (King & Pantling) P. F. Hunt, Kew Bull. 26: 184. 1971.
少花大苞兰 shao hua da bao lan
Ione intermedia King & Pantling, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 65: 120. 1896.
Rhizome creeping, ca. 1.5 cm in diam. Pseudobulbs ca. 3 cm apart on rhizome, ovoid-conic, 5-10 mm, 5-6 mm in diam., with 1 leaf at apex. Leaf shortly petiolate; blade erect, narrowly oblong, 3-4 × 0.4-0.5 cm, leathery, base contracted, apex obtuse and retuse. Scapes solitary or in pairs, erect, 2-3 cm; peduncle slender, with 3 sheaths ca. 8 mm; raceme 7-10 mm, 2- or 3-flowered; floral bracts ovate, ca. 5 × 2 mm, apex shortly acuminate. Flowers pale green. Dorsal sepal lanceolate, 4.5-5 × ca. 1.2 mm, apex acuminate; lateral sepals similar to dorsal sepal, inconspicuously 3-veined, their lower edges connate forming an ovate-elliptic synsepal. Petals linear-lanceolate, 3.5-4 × ca. 0.5 mm, fleshy, basal half ciliate, both surfaces densely papillate, apex obtuse; lip similar to petals, with an orbicular disk ca. 1 mm wide and a linear-cuspidate, involute-margined limb ca. 2.5 × 0.3 mm, both surfaces densely papillate, basal margins sparsely denticulate, apex acute. Column ca. 1.5 mm, base with a foot ca. 0.4 mm; 2 pairs of pollinia with 1 common Y-shaped stipe and a single viscidium. Fl. Aug.
Tree trunks in evergreen broad-leaved forests; ca. 2000 m. SE Xizang [India (Sikkim)].