台湾牛齿兰 tai wan niu chi lan

Appendicula cornuta Blume var. formosana (Hayata) S. S. Ying; A. formosana Hayata; A. formosana var. kotoensis (Hayata) T. P. Lin; A. kotoensis Hayata; Podochilus kotoensis (Hayata) S. S. Ying; P. taiwanianus S. S. Ying.

Plants epiphytic. Stems tufted, suberect or pendulous, 40-50 cm, internodes ca. 1 cm, completely enclosed in tubular leaf sheaths. Leaves many, distichous; blade oblong to elliptic, 2-4 × 0.7-1.5 cm, base with tubular sheaths, articulate, apex obtuse or rounded, shallowly bilobed, often aristate in sinus. Inflorescence terminal or lateral, ca. 1 cm, 5-15-flowered; floral bracts ovate or subtriangular, 1.5-2 mm. Flowers greenish or greenish white, fleshy; pedicel and ovary ca. 2 mm. Dorsal sepal oblong-ovate, ca. 2.5 × 1.5 mm, obtuse; lateral sepals triangular-ovate, 3-3.5 × 2-2.5 mm; mentum ca. 1.5 mm. Petals obovate-elliptic, 1.8-2.5 × 0.7-1 mm; lip obovate-suborbicular in outline, 2.3-3 mm, contracted near middle, with a concave base and a broader limb, with a shortly ligulate appendage toward saccate base. Column ca. 0.8 mm, foot conspicuous. Fl. Jan-Dec.

Epiphytic on tree trunks in evergreen forests; 100-1200 m. S Taiwan [India (Nicobar Islands), Indonesia, Malaysia, New Guinea, Philippines, Thailand, Vietnam; Australia, Pacific islands (Solomon Islands)].