台湾异型兰 tai wan yi xing lan

Sarcochilus segawae Masamune, Trans. Nat. Hist. Soc. Formosa 24: 212. 1934 ["segawai"]; Chiloschista hoi S. S. Ying; C. segawae f. taiwaniana (S. S. Ying) S. S. Ying; C. segawae var. taiwaniana S. S. Ying.

Stems inconspicuous, leafless, with roots to 35 cm. Inflorescence often pendulous, racemose, 5-15 cm, 6-15-flowered; peduncle and rachis densely pubescent; floral bracts ovate-triangular, 3-5 mm, membranous, glabrous or sparsely pubescent. Flowers slightly fleshy, whitish green or yellow, sometimes with brownish red patches near base of sepals and petals, lateral lobes of lip striped brown; pedicel and ovary 4-5 mm, pubescent. Dorsal sepal nearly broadly elliptic, 3-5 × 2.5-4 mm, glabrous or sparsely pubescent abaxially, subobtuse; lateral sepals slightly oblique, broadly ovate or elliptic, 4.5-6 × 3.5-4 mm, sparsely pubescent near abaxial base. Petals elliptic, 4-6 × 3.5-4 mm, obtuse; lip 5-6 mm, base saccate, 3-lobed; lateral lobes erect, falcate-oblong, rounded; mid-lobe very small, thick, retuse, base with a longitudinal callus running into bottom of sac; callus bilobed, pubescent, grooved; sac 2-3 mm. Column ca. 1 mm, foot ca. 3 mm; anther cap with 2 filiform appendages on both sides. Fl. Apr-May.

● Epiphytic on tree trunks in forests; 700-1000 m. S Taiwan.