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Glomera brassii

Glomera brassii

Glomera brassii Ormerod, Malesian Orchid J. 16 (2015) 57, fig. 6.

Type: L.J. Brass 24802 (holo AMES).

Epiphytic herb. Roots terete, wiry, 0.03-0.1 cm. Rhizome short, ligneous, 0.1-0.25 cm. Stems approximate, terete, straight to weakly flexuous, usually laxly branching (branchlets 2.8-11.5 cm long), 12.5-31.2 by 0.1-0.25 cm; internodes 0.7-1.3 cm long. Leaves slightly coriaceous, oblong to narrowly oblong-ligulate from a shortly contracted base, 1.2-3.1 by 0.3-0.6 cm; leaf sheaths tubular, obliquely truncate, smoothly and transversely low rugulose, exposed part 0.8-1.4 cm long; apex unequally obtusely bilobed. Inflorescence terminal, subglobose, densely many-flowered, 1 by 1-1.5 cm. Pedicel and ovary clavate, 0.5 cm long. Median sepal oblong, 0.675 by 0.275 cm; apex subacute-obtuse; 3-nerved. Lateral sepals obliquely oblong-oblanceolate, 0.7 by 0.24-0.26 cm; inner margins united to form an obovate-elliptic, minutely bilobed, 0.7 by 0.5 cm synsepalum that forms a c. 0.28 cm long enclosure over the spur. Petals obovate-cuneate, 0.58 by 0.31 cm; apex obtuse; 3-nerved. Lip spurred, entire, joined to column for c. 0.07 cm; spur, retrorse, obliquely ellipsoid, c. 0.18 by 0.1 cm, with obtuse apex; epichile subquadrate, 0.2 by 0.2 cm; apex truncate; 7-nerved. Column short, 0.14 cm long; arms deltate-lanceolate; apex acute.
(after Ormerod 2015)

Flowers white to yellowish white, anther black.

Common, on mossy, high branches of canopy trees in forest and exposed on forest edge Altitude 1600 m.

New Guinea, endemic.

Papua New Guinea, Milne Bay Prov.

Cool growing epiphyte. Keep moist.


Glomera brassii is somewhat similar to G. neohihernica Schltr. but has shorter leaves, cuneate-obovate petals (versus oblong-oblanceolate), a retrorse spur (not dependent) and a not-coloured lip apex (versus red-tipped).

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Glomera brassii

Glomera brassii Ormerod, drawing by Paul Ormerod in Malesian Orchid J. 16 (2015) 57, fig., after the holotype: Reeve 1717.