3. Staurochilus luchuensis (Rolfe) Fukuyama, Trans. Nat. Hist. Soc. Formosa. 32: 270. 1942.
豹纹掌唇兰 bao wen zhang chun lan
Stauropsis luchuensis Rolfe, Bull. Misc. Inform. Kew 1907: 131. 1907; Cleisostoma ionosmum Lindley f. lutschuense Makino; Pomatocalpa luchuense (Rolfe) Tang & F. T. Wang; Trichoglottis ionosma (Lindley) J. J. Smith var. luchuensis (Rolfe) S. S. Ying; T. luchuensis (Rolfe) Garay & H. R. Sweet; Vandopsis luchuensis (Rolfe) Schlechter.
Stems terete, to 1 m, stout, ca. 1.5 cm, internodes 2-3 cm. Leaves many, distichous; leaf blade linear-lorate, 20-25 × 2.5-3.5 cm, leathery, unequally laterally bilobed. Inflorescences arising from upper stem, several, ascending, racemose or paniculate, to 40 cm, many flowered; floral bracts broadly triangular, ca. 4 mm. Flowers yellowish white with many brownish red spots, opening widely, fleshy; pedicel and ovary ca. 1.5 cm. Dorsal sepal spatulate, ca. 18 × 7 mm, obtuse; lateral sepals slightly oblique, spatulate, shorter and wider than dorsal sepal. Petals falcate-obovate, ca. 17 × 7 mm, clawed at base; lip 3-lobed, including spur ca. 1.5 cm; lateral lobes erect, suborbicular, both surfaces shortly hairy; mid-lobe fleshy, abruptly narrowed near middle to a hairy cuspidate tip; spur subconic, ca. 5 mm, interior with a ca. 4 mm appendage almost covering entrance; stelidia hairy; clinandrium and anther cap hairy. Fl. Mar-May. 2n = 38.
Epiphytic on trees in broad-leaved forests. Taiwan [Japan (Ryukyu Islands), Philippines].