北插天山舌唇兰 bei cha tian shan she chun lan

Plants 2-4 cm tall. Stem with tubular sheaths at base, 2- or 3-leaved. Leaves ovate-lanceolate to oblong-lanceolate, 3.5-4.5 × 1.5-2 cm, base obtuse and clasping, apex acute to acuminate. Peduncle short, slender, with a foliaceous, lanceolate bract; rachis 1.5-2 cm, 2-4-flowered; floral bracts lanceolate to linear-lanceolate, 4-8 × 2-2.5 mm, apex acuminate. Flowers pale green to greenish yellow, small; pedicel and ovary fusiform, 4-8 mm. Dorsal sepal erect, forming a hood with petals, ovate to triangular-ovate, strongly concave, 2.5-3 × ca. 1.5 mm, glabrous, 3-veined, apex acute; lateral sepals lanceolate, 5-6.5 × 2-3 mm, glabrous, apex obtuse. Petals narrowly ovate-lanceolate, slightly oblique, ca. 5.5 × 2 mm, apex acute; lip spreading forward, entire, ligulate, elongate, 15-20 × 2.5-3.5 mm, apex obtuse; spur cylindric, slender, 7-9 × ca. 0.5 mm, tapering toward apex, apex obtuse. Column 2-2.5 × ca. 1.5 mm.

● Quercus forests, Fagus forests; 1400-1700 m. N Taiwan (Beicha Shan).