恒春羊耳蒜 heng chun yang er suan

Leptorkis grossa (H. G. Reichenbach) Kuntze; Liparis rizalensis Ames; L. tateishii Kudô.

Herbs, epiphytic. Pseudobulbs densely arranged, globose-ovoid, slightly compressed, 2.5-4.5 × 2-3 cm, glabrous. Leaves 2, elliptic-oblong, 6-12 × 2-3 cm, leathery, slightly fleshy, base slightly contracted, without distinct petiole, articulate, apex obtuse or rounded. Inflorescence 10-20 cm; peduncle subterete, without distinct wings; rachis more than 10-flowered; floral bracts sublinear-lanceolate, to 9 mm. Flowers orange or pale orange-red; pedicel and ovary ca. 1 cm. Sepals elliptic-oblong, 4.5-5.5 × ca. 2.5 mm, obtuse. Petals narrowly linear or nearly filiform, 4.5-5.5 × ca. 0.7 mm, 1-veined; lip reflexed, suboblong, 6-7 × 3-5 mm, slightly contracted toward base, with 2 inconspicuous calli near base, apex deeply 2-lobed; lobes suboblong, 1.5-2 × ca. 1.5 mm, apical margin often irregularly incised. Column green, slightly arcuate, ca. 4 mm. Fl. Oct-Nov.

On tree trunks or large branches at margins of broad-leaved forests; below 500 m. E and S Taiwan [?Myanmar, Philippines].