长叶牛齿兰 chang ye niu chi lan

Podochilus fenixii Ames, Philipp. J. Sci., C, 6: 48. 1911; Appendicula terrestris Fukuyama.

Plants terrestrial. Stems ascending, 35-50 cm, completely enclosed in tubular leaf sheaths. Leaves many, distichous; blade lanceolate-oblong, ca. 5 × 1-1.3 cm, base with tubular sheaths, apex acuminate, obliquely bilobed. Inflorescence terminal or lateral, 0.5-2 cm, ca. 10-flowered; floral bracts ovate, 3-4 mm. Flowers white, not opening widely; pedicel and ovary 4-5 mm. Dorsal sepal ovate, 3.5-4 × ca. 2.5 mm; lateral sepals obliquely triangular, slightly larger than dorsal sepal; mentum short. Petals elliptic or oblong, ca. 3 × 1.5 mm, obtuse; lip ± pandurate-oblong, 4-4.5 × 2.5-3 mm, concave at base, adaxially with a ligulate hairy appendage extending from middle to base, with 2 small ridges above middle and another small apical callus. Column short, foot long. Fl. Jan-Dec.

Forests; 200-400 m. S Taiwan [Philippines].