Prev Taxon: Genus Bulbophyllum
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Bulbophyllum elongatum (Blume) Hassk., Cat. Hort. Bot. Bogor (1844) 39
Type:
Synonyms:
Basionym: Ephippium elongatum
Rhizome 5-13 mm diam., sections between pseudobulbs 3-17 cm long. Pseudobulbs distant, ovoid, 0.8-1.6 by 0.6-1.5 cm. Petiole 5.5-22 cm. Leaf blade elliptic, 20-50 by 6-16 cm, index (length/width) 3.1-3.9; acute to acuminate. Inflorescence a dense raceme, with the flowers in irregular whorls, erect to patent, 24-65 cm, 30-100-flowered. Peduncle 14-53 cm; bracts 7-8, the longest 25-80 mm long. Rachis 3-12 cm, nodding near its base. Floral bracts ovate, 7-13 by 1.5-4 mm, acute. Pedicel and ovary 5-6 mm long. Median sepal elliptic, 12.5-17.5 by 3.8-4 mm, index 3.3-4.6; obtuse to acuminate, margins entire; glabrous, base rather narrowly attached; rather thin. Lateral sepals somewhat falcate, 12-16 by 3.5-4.5 mm, index 3.2-4; acute to acuminate, otherwise as the median sepal. Petals porrect, falcate, linear, tapering from a wide base, 10.5-15 by 1.2-1.8 mm, index 7.2-10; obtuse to acute, margins entire; glabrous, base broadly attached; thin, top thickened; with 1 vein. Lip reflexed in the basal half, triangular with a projecting, linguiform top, 2.7-3.3 by 2.4-3 mm, index 1-1.2; rounded, margins entire; glabrous, rather thin, top thick; adaxially flat near the base, with 3 ridges without protruding knobs: 2 weak, rounded ridges, most conspicuous distally, the space in between channelled and with a inconspicuous, rounded median ridge with longitudinal rows of minute papillae on its crest proximally; abaxially with rather inconspicuous, truncate ridge up to about 1/2 of the length of the lip. Column 4.4-5 mm long. Stelidia narrowly triangular, 1.5-2.2 mm long, acute, with a small, antrorse, deltoid, obtuse to acute tooth along the upper margin; with an often inconspicuous, deltoid, obtuse tooth along the lower margin, at the base. (After Vermeulen, 2002)
Sepals and petals white with purple spots. Lip yellow with fine red dots.
Malesia (Peninsular Malaysia, Sumatra, Java, Borneo, New Guinea, Philippines).
March, November, December.
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