Prev Taxon: Genus Crepidium section Hololobus
Current Genus: Genus Crepidium section Oistochilus
Next Taxon: Genus Cryptostylis
Crepidium incurvum (J.J.Sm.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 127
Type: Versteeg 1070 (holo BO, BO-spirit coll.; iso L)
Synonyms:
Plant erect, c. 30 cm tall. Leafy stem fusiform, tenuous, covered by leaf petioles and sheaths, 7—8 cm long; rooted base. Leaves c. 7; petiole and sheath erect, 2 3 cm long; blade oblique, oblong-ovate, attenuate, 6.5 7.5 by 2.5—2.7 cm; apex acuminate, undulate at margins, 5-nerved. Inflorescence about 23 by elongate; peduncle 11 13cm long; raceme many-flowered, dense. Sterile bract usually few, erect, elongate, linear, attenuate; apex acuminate; 1-nerved. Floral bracts recurved, linear, c. 0.47 cm long; apex acuminate; 1-nerved. Pedicel c. 0.05 cm long; ovary c. 0.35 cm long; sinuate. Flowers about 0.925 cm long and 0.47 cm wide. Median sepal c. 0.575 by c. 0.27 cm, oblong-ovate; apex obtuse; slightly convex. Lateral sepals c. 4 mm long, 2.7 mm, oblique, ovate; base slightly obcordate; apex obtuse. Petals c. 4.7 mm long, c. 0.7 mm, linear, somewhat convex; apex obtuse; usually reflexed. Lip widest at its base, elliptic in outline, c. 0.6 by c. 0.43 cm; lamina c. 0.3 cm long; distal part semiorbicular; top apiculate with reflexed tip, lamellae parallel,, simple, 0.27—0.29 by c. 0.03 cm high, c. 0.04 cm thick, enclosed area smooth, shallowly concave; lateral lobes subparallel, elongate triangular, somewhat falcate, c. 0.3 by 0.18—0.2 cm; apex obtuse. Gynostemium entire, recurved, c. 0.175 by 0.04—0.06 cm; upper half with a small, erect, distinctly turned-up, cone-like appendage c. 0.02 by 0.01—0.015cm; staminodes abbreviate, as long as the anther, c. 0.75 mm long, 0.5—0.6 mm, with truncate apex, distinctly folded back from the anther. Anther 0.05—0.06 by 0.03— 0.04 cm; top triangular, rounded, c. 0.5 mm long. Fruit oblong, clavate, c. 0.85 by c. 0.6 cm; pedicel 4—5 mm long.
(after Margonska, 2005)
Flower, orange- yellow, lip darker. Column black-brown, paler coloured near the base; staminodes darker coloured. Anther pale yellow to pale green. Fruit middle green to fawn.
(after Margonska, 2005)
Terrestrial in Metroxylon swamp. Altitude c. 450 m.
Malesia (New Guinea, endemic).
Warm growing terrestrial, requires shaded position.
May.
Crepidium incurvum is characterised by the obtuse tepals, the linear petals, the rounded distal margin of lip, the distinctly apiculate and reflexed top, and the recurved gynostemium with truncate staminodes and a minute, turned-up appendage.
(after Margonska, 2005)
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