Bulbophyllum setaceum T. P. Lin Native Orchids Taiwan. 1: 55. 1975.

鹳冠卷瓣兰 guan guan juan ban lan

Bulbophyllum ciliisepalum T. C. Hsu & S. W. Chung; B. taitungianum Ying.

Rhizome short. Pseudobulbs close or ca. 1 cm apart from each other, ovoid to narrowly cylindric, 1-1.3 cm, 5-10 mm in diam., with a terminal leaf. Leaf blade elliptic to oblong-elliptic, 3-6 × 1.2-2 cm, thickly leathery, apex obtuse and retuse. Scape green, erect, 14-16 cm; umbel 12-16-flowered; floral bracts ovate-lanceolate, ca. 5 mm. Pedicel and ovary ca. 11 mm. Flowers yellow, tinged with brown, with tangerine lip. Dorsal sepal ovate, concave, ca. 5.5 × 3 mm, brown veined, white ciliate, apex shortly cuspidate; lateral sepals lanceolate or linear, ca. 34 × 2 mm, brown tipped, slightly red at base, basal margins usually sparsely ciliate, their upper and lower edges connate in basal half and separate but inrolled margined in apical half forming a fork-shaped synsepal. Petals obliquely elliptic, ca. 3 × 2 mm, with 5 reddish brown veins, acute, long ciliate; lip recurved, ligulate, ca. 2.5 mm, with 2 keels adaxially, grooved at base, apex obtuse. Column ca. 1.5 mm; stelidia broadly subulate; anther cap lacerate margined. Fl. Mar-May.

● Tree trunks in forests; 1500-2400 m. C Taiwan.