Prev Taxon: Genus Bulbophyllum section Lasiogaster
Current Genus: Genus Bulbophyllum section Lepanthanthe
Next Taxon: Genus Bulbophyllum section Lepidorhiza
Bulbophyllum cruttwellii J.J.Verm., Orchid Monogr. 7 (1993) 75, fig. 34, pl. 1a
Type: Jongejan cult. 1320 (holo L, alc. only)
Synonyms:
Rhizome pendulous, to 100 by 0.08-0.2 cm diam. (seemingly thicker because loosely imbricate scales). Roots creeping over the rhizome. Pseudobulbs cylindrical, 2-4.5 cm apart, 0.4-0.5 by 0.1-0.2 cm, hardly flattened. Petiole 0.3-0.7 cm. Leaf blade triangular to elliptic, 3-6.5 by 2.5-5 cm, index 1-2. base often cordate; tip acute to acuminate. Inflorescences to 4 together on a short sympodium, pendulous, 0.8-3 cm, to 80-flowered; peduncle 0.5-1.3 cm. Floral bracts c. 6. the longest 0.55-0.7 cm. Rachis to 1.7 cm. Floral bracts ovate, 0.6-0.7 cm; tip acuminate. Pedicel and ovary 0.6-0.9 cm, with the node 0.4-0.85 cm from the floral bract. Flowers scattered, 1 open time, widely opening. Median sepal orbicular to elliptic, 0.25-0.3 by 0.2-0.28 cm, index 1-1.3; tip an incurved, subulate projection 0.12-0.2 cm long, glabrous, thin. Lateral sepals oblique, orbicular to transversely elliptic, 0.22-0.28 by 0.25-0.32 cm, index 0.7-1. otherwise as the median sepal. Petals with a narrow claw 0.06-0.1 cm long; blade obliquely elliptic, 0.15-0.2 by 0.05-0.08 cm, index 2.5-3; tip rounded to obtuse, margins glabrous or finely papillose; very thin; surface glabrous. Lip 3-lobed, mid-lobe curved base, ovate to elliptic, 0.1-0.15 by 0.06-0.08 cm, index 1.6-2 (not spread); tip obtuse, margins glabrous or very finely papillose, thick; surface approximately glabrous; adaxially concave and with 3 parallel, short ridges near the base which in front abruptly end into a triangular concavety bordered by 2 several ridges which in front converge; abaxially approximately without a median ridge; basal lobes with thein front margin inserted along the margin of the lip, triangular to obovate; tip rounded to obtuse, margins finely papillose, thin; surface glabrous. Column from ovary to the tip of the stelidia 0.1-0.12 cm; stigma hardly protruding at its base, elliptic to orbicular; column-foot without accessories. Stelidia triangular, 0.03 cm; tip obtuse to acute; with or without a distinct, forwards projecting, triangular, obtuse, tooth along the lower margin. Anther abaxially with a ridge towards its base; front margin not protruding. (After Vermeulen, 1993)
hizome scales pale yellowish brown when dry. Sepals pale yellow, petals white, lip yellowish, or purple, often with white basal lobes.
Epiphyte in montane forest; 1500-2770 m.
Malesia (New Guinea).
Cool growing epiphyte.
June, August, September, October, November, December.
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