保亭金线兰 bao ting jin xian lan

Anoectochilus roxburghii (Wallich) Lindley var. baotingensis K. Y. Lang, Acta Phytotax. Sin. 34: 557. 1996.

Plants 15-17 cm tall. Stem erect, 2- or 3-leaved. Leaves purplish red, suborbicular, ca. 3 × 2.5 mm, apex acute; petiole-like base and tubular sheath ca. 0.6 cm. Peduncle ca. 8 cm, with 3 sheathing sterile bracts; rachis ca. 1 cm, 3-flowered; floral bracts ovate-lanceolate, 9-12 mm, ca. as long as to exceeding ovary, apex acute. Flowers resupinate, white; ovary and pedicel twisted, cylindric-fusiform, ca. 8 mm, pubescent. Sepals 1-veined, outer surface pubescent; dorsal sepal ovate, cymbiform, ca. 6.5 × 2.5 mm, apex acuminate; lateral sepals spreading, oblong-elliptic, ca. 7.5 × 3 mm, apex acute. Petals oblong-cuneate, strongly oblique, ca. 6.5 × 2.5 mm, 1-veined, apex ligulate-acute; lip white, Y-shaped, ca. 17.5 mm; hypochile rectangular, ca. 5 mm, with lateral lobes ca. 1.5 mm wide; mesochile ca. 3 mm; flanges 3-laciniate, each filament 2-3.5 mm; epichile longitudinally dilated, 2-lobed; lobes diverging at an acute angle to one another, ligulate, ca. 8 × 2.5 mm, entire, apex obtuse; spur conic, 3-3.5 mm, apex obtuse, containing 2 large, circular, carunculate calli. Column ovoid, 5-6 mm, with 2 oblong-elliptic wings; stigma lobes deltoid. Fl. Apr.

● Soil-covered rocks in forests; 300-400 m. Hainan.