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Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm., Bull. Dép. Agric. Indes Néerl. 19 (1908) 10
Type: Versteeg 1511 (holo BO; iso K, L)
Synonyms:
- Bulbophyllum cavistigma J.J.Sm., Repert. Spec. Nov. Regni Veg. 11 (1912) 279
- Type: Gjellerup 828 (holo BO) - Bulbophyllum fatuum J.J.Sm., Repert. Spec. Nov. Regni Veg. 11 (1912) 280
- Type: Gjellerup 844 (holo BO) - Bulbophyllum recurvimarginatum J.J.Sm., Nova Guinea 18 (1935) 67, pl. 14, fig. 45
- Type: Docters van Leeuwen 10773 (holo BO; iso L sterile)
Rhizome erect, patent or pendulous with more or less patent branches, up to c. 60 cm long, 0.5-2 mm diam.; rhizome scales of the longest internodes distinctly shorter than those internodes, leaving bare large portions of the rhizome. Roots generally close to the base of the rhizome. Pseudobulbs ovoid, 0.6-6 cm apart, 0.2-2 by 0.1-0.4 cm, not flattened. Petiole 2-10 mm. Leaf blade ovate to elliptic, 0.9-13 by 0.2-1.5 cm, index 1.8-33, flat or semi-terete in section, tip acute to acuminate. Inflorescence 0.5-15 cm, 1-18-flowered. Peduncle 0.5-8 cm; bracts 3-4, the longest 2-6 mm. Rachis generally pendulous, 0.1-5.5 cm. Floral bracts ovate to triangular, 2-5 mm, tip acute. Pedicel and ovary 2-5 mm, with the node 0.2-1.5 mm from the floral bract. Flowers all open at the time, moderately opening. Median sepal ovate to triangular, 3.5-26 by 1.2-4.4 mm, index 3-13, tip long acuminate to caudate; thin; glabrous. Lateral sepals free, oblique, 3.5-31 by 1.2-4 mm, index 2.9-16, otherwise as the median sepal. Petals oblique, ovate to elliptic, 1.3-3.8 by 0.6-2.5 mm, index 1.5-3, tip obtuse to acuminate; margins glabrous to slightly erose; thin; surface glabrous. Lip curved, general outline ovate, 1.23.4 by 0.7-2 mm, index 1.3-2.5 (not spread), tip obtuse to acute; thick but soft; approx. glabrous; adx. concave near the base, abx. with an inconspicuous, retuse median ridge. Column from ovary to the tip of the stelidia 0.4-1.2 mm; stigma protruding at its base, obovate; column-foot without accessories. Stelidia inconspicuous, triangular, tip acute; upper margin sometimes erose, with or without an inconspicuous to distinct, rounded to acute tooth along the lower margin. Anther abx. with a ridge; front margin protruding. Pollinia 2. (After Vermeulen, 1993)
Sepals and petals pale greenish, yellowish or (creamy) white, sometimes suffused with some purple, or with purple veins. Lip cream-coloured, yellow or purpl.
Epiphyte in lowland forest; 0-2900 m.
Malesia (New Guinea).
Papua (Indonesia); Papua New Guinea; see map
Warm growing epiphyte.
January, February, March, May, July, August, September, October, November, December.
- Smith, J.J., Nova Guinea 8, 1 (1909) 102, t. 34, fig. 112
- Smith, J.J., Nova Guinea 12, 4 (1916) 407, t. 152, fig. 284, as Bulbophyllum cavistigma J.J.Sm.
- Smith, J.J., Nova Guinea 12, 4 (1916) 409, t. 154, fig. 286, as Bulbophyllum fatuum J.J.Sm.
- Vermeulen, J.J., Orchid Monogr. 7 (1993) 115, fig. 72 & 73a-e, pl. 3d
- Family Orchidaceae
- Subfamily Epidendroideae
- Tribe Dendrobieae
- Subtribe Bulbophyllinae
- Genus Bulbophyllum
- Section Macrouris
- Species Bulbophyllum trifilum
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Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm., flower, oblique front view, photo A. Schuiteman, Leiden cult. 20030142
Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm., inflorescences, photo A. Schuiteman, Leiden cult. 20030142
Bulbophyllum trifilum
Overview picture of Bulbophyllum trifilum J.J.Sm. ssp. trifilum
Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm., stems with inflorescences, photo A. Schuiteman, Leiden cult. 20030142
Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm. ssp. trifilum, Orchid Monogr. 7 (1993) 116, fig. 72, J.J. Vermeulen, drawing, plant habit and flower analysis, based on a Versteeg 1511 (iso L); b,c,f,i.k Jongejan 1069 (L); d,e,h,j Bogor cult. , HLB 9223.157-875 (L); g,l L
Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm. ssp. trifilum, Orchid Monogr. 7 (1993) 117, fig. 73, J.J. Vermeulen, drawing, plant habit and flower analysis, based on a-e Edwards 172 ()
Bulbophyllum trifilum
Bulbophyllum cavistigma J.J.Sm., floral analysis, drawing J.J. Smith, from Gjellerup 828
Bulbophyllum trifilum
Bulbophyllum fatuum J.J.Sm., floral analysis, drawing J.J. Smith, from Gjellerup 844
Bulbophyllum trifilum
Bulbophyllum recurvimarginatum J.J.Sm., floral analysis, drawing J.J. Smith, from Docters van Leeuwen 10773
Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm., floral analysis, drawing J.J. Smith, from Versteeg 1511
Bulbophyllum trifilum
Bulbophyllum recurvimarginatum J.J.Sm., herbarium sheet, Docters van Leeuwen 10773 (holotype specimen BO)
Bulbophyllum trifilum
Bulbophyllum trifilum J.J.Sm., herbarium sheet, Versteeg 1511 (holotype specimen BO)