南华竹茎兰 nan hua zhu jing lan

Plants 25-40 cm tall. Rhizome ascending; roots filiform. Stem erect, slender, branched or unbranched. Leaves 3-5, alternate, widely spaced, lanceolate-oblong, ca. 16 × 2.7 cm, base rounded, apex acuminate. Inflorescence terminal, 5-8 cm, up to 25-flowered; bracts lanceolate, glabrous. Flowers not resupinate, greenish white, glabrous, ca. 6.5 mm; pedicel and ovary ca. 4 mm. Dorsal sepal free, lanceolate, ca. 5 × 2.5 mm, apex acute; lateral sepals connate for ca. 3/5 of length and forming a synsepal, ca. 6 × 3 mm; synsepal bilobed at apex, saccate at base. Petals concave, lanceolate, ca. 5 × 2 mm, keeled abaxially, apex acute; lip oblong, ca. 5.5 × 2 mm, saccate at base, apex recurved; disk bearing a pair of rounded calli toward apex, and with 2 longitudinal ridges toward base. Column ca. 3 mm including rostellum; anther ovate, fleshy, 3-3.3 mm, apex rounded; pollinia clavate, stipe slender; viscidium linear-lanceolate; stigma broadly triangular. Fl. Oct-Nov.

● Bamboo forests; 100-200 m. Taiwan.