Japan Flora: Small, pendulous, caespitose epiphyte; stems 1-4 cm. long, densely leafy; leaves 4-10, laterally flattened, linear-oblong, 1-4 cm. long inclusive of the short sheath, 2-6 mm. wide, short-acnte to obtuse, mucronate; inflorescence terminal, densely flowered, 2-8 cm. long, about 2.5 mm. across, the peduncle slender, 1-2cm. long; bracts deltoid, membranous, 0.5-2 mm. long, acuminate, spreading; flowers yellow to greenish yellow, about 1 mm. across; sepals spreading, broadly ovate, obtuse; petals ovate; lip obovate, 5-lobed, the terminal lobe shorter than the others; capsules short-pedicelled, obovoid, about 2.5 mm. long. Apr-June. Tree-trunks and rocks;