Species Information - Bryobium retusum

Bryobium retusum (Blume) Y.P.Ng & P.J.Cribb, Orchid Rev. 113 (2005) 272

Type: Blume 1970 (Mt. Salak)

Synonyms:

• Dendrolirium retusum Blume, Bijdr. (1825) 351
• Phreatia retusa (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 64
• Pinalia retusa (Blume) Kuntze, Rev. Gen. Pl. (1891) 679
• Bryobium pubescens Lindl., Edwards's Bot. Reg. (1838) Misc. 79
  - Type: not designated: 'in many gardens'
• Eria pusilla Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 24 (1862) 312 (non (Griff.) Lindl.)
  - Type: Bogor cult. (Teijsmann?) s.n. (Mt. Pantjar, Bogor)
• Phreatia congesta Rolfe ex Hemsl., J. Linn. Soc., Bot. 25 (1890) 358
  - Type: Maclear & Lister s.n. (Christmas Island)
• Eria retusa (Blume) Rchb.f., Bonplandia 5 (1857) 54

Rhizome very short. Pseudobulbs closely spaced, usually 2-leaved, ovoid to oblongoid, 1.2 by 0.9 cm. Leaves linear-lanceolate, to 7.5 by 0.9 cm, carnose, grooved above, comvex below, base petiolate-narrowed, apex obtuse. Inflorescences c. 3 from the upper internodes, arising from a small cavity, racemose, erect, 1.5 cm long, woolly hairy; peduncle 0.8 cm long, peduncle-scales few, rather large, oblong, acute, concave, very densely many-flowered. Floral bracts triangular, 0.27 cm long, apex acute, concave, membranous, glabrous. Ovary 0.15 cm long, pubescent. Flowers 0.27 cm across. Sepals outside with cobweb-like pubescence. Median sepal patent, oblong-ovate, 0.2 by 0.1 cm, concave, apex subacute. Lateral sepals obliquely patent, oblong-ovate, 0.2 by 0.1 cm, keeled outside, apex subacute. Petals lanceolate, 0.17 by 0.05 cm, apex obtuse. Lip ovate-triangular, 0.1 by 0.1 cm, with a longitudinal groove, without keels or calli, obtuse. Column short, obtuse, making an obtuse angle with the ovary, apex obtuse; column-foot very short; rostellum bent backwards. Anther slightly convex, transversely elliptic. (After Smith, 1905).

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