宝岛羊耳蒜 bao dao yang er suan

Liparis derchiensis S. S. Ying.

Herbs, terrestrial. Pseudobulbs clustered, ovoid, 1.8-3 × 1.5-2.5 cm, enclosed by 2 or 3 membranous sheaths. Leaves 2; petiole 5-9 cm, base sheathing, not articulate; blade ovate to oblong, 6-13 × 4-6 cm, base contracted into petiole, apex obtuse. Inflorescence 23-40 cm; peduncle 5-20 cm, 3-ridged; rachis 18-20 cm, laxly 10-20-flowered; floral bracts triangular, 2-3 mm, apex acute. Flowers widely opening, pale green, center of lip often tinged purple; pedicel and ovary ca. 15 mm. Dorsal sepal reflexed, linear, 10-12 × 2.5-3 mm, keeled dorsally, 3-veined, margin revolute, apex obtuse; lateral sepals obliquely ligulate-lanceolate, 10-12 × 3-3.5 mm, parallel below lip, keeled dorsally, 3-veined, margin revolute, apex acute. Petals linear, 10-12 × ca. 1 mm, margins revolute, deflexed lower than lateral sepals but upcurved from middle; lip recurved abruptly at middle, cuneate-obovate, 10-12 × 7-10 mm, base contracted and without a callus, margin entire to indistinctly serrulate, apex truncate-rounded, minutely apiculate. Column curved, 5-6 mm, base dilated into 2 rounded mounds, apex with obtuse wings. Fl. Jun-Jul.

● Forests; 1800-2000 m. E and N Taiwan.

This species may be conspecific with Liparis makinoana Schlechter, from Japan, given that the descriptions of the two coincide. In Japan, the name L. makinoana has been misapplied to different taxa (e.g., by Tsutsumi & Yukawa, Bull. Natl. Mus. Nat. Sci., Tokyo, B, 34: 89-94. 2008).