Prev Taxon: Genus Geodorum

Current Genus: Genus Glomera


Glomera caespitosa

Glomera caespitosa

Glomera caespitosa (P.Royen) J.M.H.Shaw, Orchid Rev., Suppl. 124(1314) (2016) 36

Type: Hartley 11212 (holo L 2x)

Synonyms:

  • Glossorhyncha caespitosa P.Royen, Alp. Fl. New Guinea 2 (1979) 572, fig. 198

Small, much branched, densely bushy, up to 25 cm high, epiphytic herb. Stems filiform, glabrous. Leaves patent, subcoriaceous, glabrous, lanceolate, 0.4-1.1 by 0.1-0.2 cm, obtuse and sulcate at tip, narrowed at base, mid-rib grooved above, prominent below, with 2 lateral nerves on either side of mid-rib innermost close to mid-rib and prominent above only, outer ones prominent on underside only, margin faintly irregularly wavy; sheaths smooth or very rarely with a few scattered warts, tubular, 0.2-1.2 cm long, slightly widened at tip, with few, dark brown, straight or flexuose, 0.05-0.15 cm long bristles with few warts, few-ribbed. Spathe widely orbicular, tubular, 0.4 by 0.25 cm, obtuse and apiculate, 7-nerved, mid-rib slightly crested at tip and surpassing tip of bract, smooth. Floral bract similar to spathe but thinner, 1-nerved, of similar size or slightly longer. Ovary sigmoid, clavate, 0.4 cm long, 3-winged, each wing composed of a double ridge, glabrous. Flowers slightly pendulous. Median sepal glabrous, elliptic-ovate, 0.5 by 0.3 cm, oblique at base with an oblong, 0.2 by 0.25 cm, rounded appendage, obtuse and cucullate at tip, entire sepal 3-nerved at base, 5-nerved in higher parts, mid-rib crested at tip. Petals glabrous, oblong, 0.5 by 0.1 cm, rounded, 3-nerved. Lip adnate to base of column, rhombic-cordate 0.2 by 0.2 cm, slightly 3-lobed, rounded at tip, 5-nerved, papillate on either side in a small apical part; spur sac-like, 0.35 by 0.75 cm, rounded. Column curved, 0.2 by 0.15 by 0.15 cm, clinandrium dentate-crenate. Rostellum broadly 2-lobed. Anther cucullate-kidney-shaped, 0.12 by 0.1 by 0.08 cm, retuse at either end, connective umbonate in basal part. Pollinia 4, pear-shaped, 0.05 cm long. Capsule not seen.
(After Van Royen, 1979).


Flowers white.

Epiphyte in upper montane forest. Altitude 3048 m.

Malesia (New Guinea, endemic).

Papua New Guinea. See map

distribution in New Guinea

Cool growing epiphyte.

January.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Arethuseae
  • Subtribe Coelogyninae
  • Genus Glossorhyncha
  • Section Uniflorae
  • Species Glomera caespitosa

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Glomera caespitosa

Glomera caespitosa (P.Royen) J.M.H.Shaw, (as Glossorhyncha caespitosa P.Royen), drawing Pieter van Royen, in P.Royen, Alp. Fl. New Guinea 2 (1979) 572, fig. 198. based on Hartley 11212

Glomera caespitosa

Glomera caespitosa (P.Royen) J.M.H.Shaw (as Glossorhyncha caespitosa P.Royen), detail of herbarium sheet, Hartley 11212, holotype specimen (L)

Glomera caespitosa

Glomera caespitosa (P.Royen) J.M.H.Shaw (as Glossorhyncha caespitosa P.Royen), herbarium sheet, Hartley 11212, holotype specimen (L)