兰屿沼兰 lan yu zhao lan

Malaxis bancanoides Ames, Orchidaceae 2: 129. 1908; M. miyakei (Schlechter) Tang & F. T. Wang; M. roohutuensis (Fukuyama) K. Nakajima; Microstylis iriomotensis Masamune; M. miyakei Schlechter; M. roohutuensis Fukuyama.

Plants terrestrial. Stem erect, prostrate at base, green, cylindric, 5-15 cm, 4-6 mm in diam., fleshy, with many nodes. Leaves 5-8, loosely arranged; petiole 3-4 cm; blade elliptic or ovate-elliptic, 4.5-7.5 × 2-3.5 cm, margin crisped, apex acute. Peduncle 14-15 cm; rachis densely many flowered; floral bracts reflexed, linear-lanceolate, ca. 5 mm. Flowers orange-yellow, 2.5-3 mm in diam.; pedicel and ovary ca. 5 mm. Sepals oblong-lanceolate or narrowly elliptic, 2.5-3 × 1-1.5 mm, apex obtuse; lateral sepals somewhat oblique. Petals narrowly linear, ca. 2.5 × 0.8 mm, apex obtuse; lip superior, suborbicular or slightly square in outline, 3-4 × 2.5-3.5 mm, 3-lobed; lateral lobes triangular; mid-lobe ovate-triangular, apex emarginate, with 1 or 2 teeth on each side; auricles ovate-triangular, ca. 2 mm, surrounding column. Column ca. 1 mm, stout, with 2 broad apical wings. Fl. Sep-Nov. 2n = 44.

Dense forests, along streamsides; 300-400 m. E and S Taiwan [Japan (Ryukyu Islands), Philippines].

Chinese records of Crepidium copelandii (Ames) Szlachetko (e.g., in FRPS 18: 113. 1999, as Malaxis copelandii Ames) are referable to C. bancanoides. True C. copelandii is endemic to the Philippines.