1. Bryobium pudicum (Ridley) Y. P. Ng & P. J. Cribb, Orchid Rev. 113: 272. 2005.
藓兰 xian lan
Eria pudica Ridley, J. Linn. Soc., Bot. 32: 294. 1896; E. monophylla Schlechter.
Rhizome 3-4 mm in diam. Pseudobulbs 0.5-1 cm apart on rhizome, ± fusiform, 3-4 cm × 5-7 mm, enclosed in 4 or 5 membranous sheaths when young, 2- or 3-noded, apex 1- or rarely 2-leaved. Leaf blade oblanceolate or elliptic-lanceolate, 10-15 × 1.4-2.4 cm, obtuse; petiole 3-3.5 cm. Inflorescence arising from near apex of pseudobulb, 3-4 cm, densely grayish white pubescent, more than 10-flowered; peduncle ca. 1.2 cm; floral bracts ovate, ca. 3 mm, abaxially sparsely grayish white pubescent, acute. Flowers greenish white, sepals and petals with red veins, abaxially sparsely grayish white pubescent, column white, foot reddish brown; pedicel and ovary 3-4 mm, densely grayish white pubescent. Dorsal sepal elliptic, ca. 3 × 1.5 mm, acute; lateral sepals obliquely ovate, ca. 3.5 × 2.2 mm, acute; mentum short. Petals ovate-lanceolate, ca. 3 × 1.5 mm, glabrous, acute; lip rhombic or broadly elliptic in outline, ca. 3 × 2.5-3 mm, obtuse, base and apex ± fleshy, shallowly 3-lobed or nearly unlobed, base with 1 reddish brown oblong callus ca. 1 mm, on either side with a rounded and a subobovate-rounded reddish brown callus, and near apex with a reddish brown anchor-shaped median appendage. Column ca. 1 mm, foot ca. 1.5 mm. Fl. Jun-Jul.
Epiphytic on tree trunks in forests; ca. 1500 m. S Yunnan [Malay Archipelago (Borneo), Malaysia (Peninsular), Singapore].