袋唇兰 dai chun lan

Dicerostylis nipponica Fukuyama, Bot. Mag. (Tokyo) 50: 19. 1936.

Plants 20-60 cm tall. Stem ascending, 3-6-leaved, black to dark purplish brown. Leaves abaxially pale green, adaxially dark green and glossy, obovate to elliptic, 5-15 × 3-5 cm, base obtuse, apex acuminate or acute; petiole-like base ca. 4 cm. Inflorescence reddish brown, 5-10 cm; floral bracts reddish brown, ovate-lanceolate to lanceolate, ca. 18 × 7.5 mm, slightly longer than pedicel and ovary, abaxially pubescent, apex acuminate. Flowers green, tinged with reddish brown; ovary 10-11 mm including pedicel. Dorsal sepal green, apex tinged with reddish brown, recurved, ovate to ovate-lanceolate, concave, 7-9 × 3.5-4 mm, thickly textured, 3-veined; lateral sepals brownish green, tinged with white at apex, suborbicular-ovate, oblique, 7-9 × 6-9 mm, 4-veined, apex acuminate. Petals pink, tinged with white at apex, narrowly rhombic, oblique, 7-8 × 2.8-3 mm, 1-veined, apex acuminate; lip yellow; hypochile a ventricose-globose sac, 5-6.5 × ca. 4.5 mm, shallowly 2-lobed, with a triangular opening below column; epichile pendulous, pale reddish brown, linear. Column ca. 3 mm, ventrally with a V-shaped appendage; anther reddish yellow, oblong-lanceolate, ca. 5 mm; pollinia joined at tapering ends to a solitary viscidium. Fl. Jul.

● Damp places in rain forests; 100-400 m. S Taiwan.