Glomera macrantha J.J.Sm.

Glomera macrantha J.J.Sm., Bull. Jard. Bot. Buitenzorg 2(8):14 (1912)

Glomera grandiflora Schltr., Repert. Spec. Nov. Regni Veg. Beih 1:284 (1912)-TypeSchlechter 18749 (holotype, K)


Growth form Epiphyte, pendent, sparsely branched, up to 54 cm high. Rhizome ca. 2 mm in diameter. Roots filiform, long, flexible, glabrous. Stem thinly cylindrical, often superposed, proliferously leafed, completely covered by leaf sheaths, internode 1.6-1.8 cm long. Leaf narrowly lanceolate, erect-patent, glabrous; apex sub-acute, strongly oblique; base cuneate; lamina 5-8 cm long, 0.7-1.2 cm wide; sheath tight, densely warty, up to 3.5 cm long; apex toothed, with glabrous margin. Inflorescences terminal, many-flowered, capitate, semi-globose, 3-3.4 cm in diameter, when young enveloped by a spathe. Spathe broad, apex apiculate; floral bracts thin, transparent, very small. Flowers upright, glabrous. Median sepal oblong, obtuse, 1.2 cm long, 0.44 cm wide. Lateral sepals oblique, up to apical fourth connate, apex obtuse, base saccate-concave, 1.05 cm long, 0.62 cm wide. Petal  obliquely ligulate-oblong, apex obtuse,  1.26 cm long, 0.42 cm wide. Lip broadly obovate, 0.4 cm long, 0.3 cm wide; epichile broadly obtuse; hypochile spurred; spur cylindrical-oblongoid, apex broadly obtuse, 0.4 cm long, 0.2 cm wide. Column slightly curved, 0.13 cm long; clinandrium 3-lobulate; stelidia not seen. Anther not seen; rostellum not seen; stigma not seen; pollinia not seen; viscidium not seen. Ovary cylindrical, glabrous, 0.45 cm long. Capsule not seen.

Distribution – Papua New Guinea.

Habitat and Ecology - Epiphyte in montane forest. Altitude 800-2000 m. Flowering in January, July and September in the wild.

Notes - 1. Flowers white with vermillion tip of the lip.

2. The epithet  macrantha refers to the large size of the inflorescences of the species (macr- means large and –antha means flowers in Latin).

3. Specimen observed:  Schlechter 18749