Orchids of New Guinea

Prev Taxon: Genus Coelogyne

Current Genus: Genus Coelogyne section Speciosae

Next Taxon: Genus Coelogyne section Veitchiae

Prev Species: Coelogyne beccarii

Next Species: Coelogyne fragrans

Coelogyne carinata

Coelogyne carinata Rolfe, Bull. Misc. Inform. Kew (1895) 191

Type: Sander cult. s.n. (VI-1895, New Guinea) (holo K)

Synonyms:

Coelogyne sarasinorum Kraenzl. in Engl., Pflanzenr. IV. 50. II. B. 7 (1907) 29
- Type: Sarasin & Sarasin 700 (holo B, lost)
Coelogyne truncicola Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 104
- Type: Schlechter 19618 (holo B, lost)
Coelogyne oligantha Schltr., Repert. Spec. Nov. Regni Veg. 16 (1919) 44
- Type: Kempf s.n. (Waria region, Kaiser Wilhelmsland) (holo B, lost)
Coelogyne alata Andree Millar, Orchids Papua New Guinea (1978) 75 (nom. nud.)
- Type: not designated

Roots 0.1-0.28 cm diam. Rhizome 0.5-1.1 cm thick. Scale-covered part of the inflorescence-bearing young shoot 3.5-16 cm long. Pseudobulbs up to 1-2.3 cm apart, ovoid to oblongoid when fresh, 4.8-11 cm long. Leaves one or two per pseudobulb. Petiole 0.9-5 cm long. Blade obovate-lanceolate, 8.1-37 by 3.1-7.2 cm; apex acuminate main nerves 5-7. Inflorescence synanthous with partially to entirely developed leaves, 2-8-flowered. Peduncle during flowering at the base enclosed by the petiole and scales of the young shoot, 6.4-29 cm long. Rachis (sub)erect, zigzag, 1-9.5 cm long; internodes 0.8-2.05 cm long, slightly curved, (slightly) thickened. Floral bracts ovate, 1.62-6.1 by 0.7-1.4 cm, deciduous or persistent; apex acute; nerves 11-15. Flowers opening simultaneously, not fragrant. Pedicel 0.4-1.0 by 0.12-0.27 cm; ovary 0.9-1.3 by 0.3-0.44 cm. Median sepal ovate, 1.85-2.25 by 0.55-0.95 cm; apex apiculate; nerves 9, the midrib a rounded keel 0.05-0.07 cm high. Lateral sepals ovate-oblong, 1.6-3.3 by 0.4-0.75 cm; apex acuminate nerves 8 or 9, the midrib a rounded keel 0.05-0.06 cm high. Petals slightly recurved, 1.5-2.0 by 0.1-0.25 cm; apex apiculate; nerves 3, midrib centric. Lip 1.6-2.8 by 0.5-1.2 cm, nerves 9-11. Hypochile when flattened 0.7-1.2 by 0.5-1.2 cm; base attached over 0.4-1.3 cm, not saccate; lateral lobes in front obtuse, extending 0.05-0.14 cm in front and slightly diverging, front margin at the base irregularly erose, with acute sinus; apex slightly saccate; keels 3, widened along the crest, consisting of two, often interrupted, undulating rows of irregularly rounded warts on each side of the crest 0.02-0.03 cm high, with papillae but without hairs, separated by a longitudinal groove; all keels starting at the base of the lip and there 0.01-0.02 cm high, diverging towards the apex of the hypochile, converging again on the epichile, the lateral keels up to 0.1 cm high, the median keel lower than the lateral ones. Epichile convex, when flattened circular to elliptic, 0.5-0.75 by 0.35-0.9 cm, with a broad, short claw 0.015-0.02 cm thick; base broadly attached over 0.3-0.75 cm; apex acute, slightly raised, with an obtuse apex; margin slightly elevated, recurved; sides pronounced as lateral lobes, without warts, centre 0.015-0.02 cm thick, margin 0.01-0.03 cm thick; keels 3, ending 0.31-0.55 cm from the apex of the epichile, on the claw identical with the ornamentations on the hypochile, on the blade sometimes changing into a row of tightly packed irregularly rounded warts c. 0.1 cm high, with papillae but without hairs. Column 1.15-1.3 by 0.3-0.45 cm; hood with more or less truncate apical margin, laterally notched where the wings are attached and with an additional notch above, the middle part rounded, recurved. Anther broadly bell-shaped in outline, 0.22-0.25 by 0.25-0.3 cm, near the place of attachment with a rounded projecting apex; apex without notch. Pollinia obliquely ellipsoid, 0.12-0.15 by 0.08-0.1 cm; caudicle 0.1-0.15 by 0.15-0.18 cm. Stigma 0.22-0.3 by 0.2-0.23 cm; margin apex (slightly) notched; rostellum 0.17-0.2 by 0.2-0.22 cm, with an obtuse apex without notch. Fruit body 4.4-4.6 by 2.3-3.2 cm; valvae keels 0.6-0.75 cm high; juga with a pronounced longitudinal ridge 0.35-0.45 cm high with up to 4 incisions up to 0.15 cm deep. (After Gravendeel and De Vogel, 1999).

Note: This differs from Coelogyne fragrans mainly in the smaller size of the flowers, leaves and pseudobulbs.

Colours:

Sepals and petals pale green. Hypochile very pale green to green, lobes inside with orange brown open reticulate markings, keels with light orange brown sides and much paler crest, between the keels orange brown. Epichile base as on hypochile, front part white, median tinged greenish. Column whitish green, stigma with faint pale brownish markings. Anther pale yellowish green.

Habitat:

Epiphyte in montane forest in shaded positions. Altitude 450-1800 m.

Distribution:

Malesia (Moluccas, New Guinea), Solomon Islands.

Distribution New Guinea:

Papua (Indonesia); Papua New Guinea. See map

Cultivation:

Intermediate growing epiphyte, keep in shade.

Flowering time in the wild:

January, March, June, July, September, October, December.

Classification:

Family Orchidaceae
Subfamily Epidendroideae
Tribe Arethuseae
Subtribe Coelogyninae
Genus Coelogyne
Section Speciosae
Species Coelogyne carinata

Literature:

Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 40, fig. 138, as Coelogyne truncicola Schltr.
Smith, J.J., Bull. Jard. Bot. Buitenzorg, Suppl. 2 (1930) t. 13, fig. I, as Coelogyne sarasinorum Kraenzl.
Lewis, B.A. & P.J. Cribb, Orchids of the Solomon Islands and Bougainville (1991) 88, fig 17D-N, pl. 5C
O'Byrne, P., Lowland Orchid. Papua New Guinea (1994) 72, fig., pl., as Coelogyne truncicola Schltr.
Gravendeel, B. & E.F. de Vogel, Blumea 44 (1999) 265, fig. 2, map 1, pl. 1a, 3a