Species Information - Rhomboda lanceolata

Rhomboda lanceolata (Lindl.) Ormerod, Orchadian 11 (1995) 329

Type: Hooker f. s.n. (Khasya, Pomrang) (holo K)

Synonyms:

• Dossinia lanceolata Lindl., J. Proc. Linn. Soc., Bot. 1 (1857) 186
  - Type: Hooker f. s.n. (Khasya, Pomrang) (holo K)
• Macodes lanceolata (Lindl.) Rchb.f., Xenia Orchid. 1 (1858) 226
• Hetaeria lanceolata (Lindl.) Rchb.f., Trans. Linn. Soc. London 30 (1874) 142
• Anoectochilus pomrangianus Seidenf., Dansk Bot. Ark. 32, 2 (1978) 41 (as nom. nov.)
• Odontochilus pomrangianus (Seidenf.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 115
• Adenostylis luzonensis Ames, Orchidaceae 2 (1908) 57, fig.
  - Type: Bur. Sci. (Quisumbing) 78918 cult. (Day) (holo AMES)
• Anoectochilus luzonensis (Ames) J.J.Wood, Kew Bull. 41 (1986) 815
• Rhomboda luzonensis (Ames) Ormerod, Orchadian 11 (1995) 332
• Zeuxine luzonensis (Ames) Schltr., Bot. Jahrb. Syst. 45 (1911) 394
• Zeuxine luzonensis (Ames) Ames, Bot. Mus. Leafl. 5 (1938) 100 (isonym)
• Adenostylis vanoverberghii Ames, Philipp. J. Sci., C, 8 (1913, publ. 1914) 408
  - Type: Vanoverbergh 1490 (holo AMES; iso BO, L 2x, NY)
• Hetaeria bantaengensis J.J.Sm., Bull. Jard. Bot. Buitenzorg, sér. 3, 10 (1928) 5
  - Type: Bünnemeijer 12367 (Celebes, Mt. Bataeng) (holo L)
• Rhomboda bantaengensis (J.J.Sm.) Ormerod, Orchadian 11 (1995) 333
• Odontochilus hatusimanus Ohwi & Koyama, Bull. Natl. Sci. Mus., Tokyo n. s. 3 (No. 41) (1957) 272, fig. 3, pl. 41
  - Type: Hatusima 19859 (Japan, Kyushu, Ohsumi Prov., Takakuma Expder. For. of Kagoshima Univ.) (holo KAG)

Slender or robust terrestrial herb, to 20 cm tall. Leaves more or less rosulate, with a large, scarious sheath, between the sheath and the blade with a short, thin petiole; blade ovate-lanceolate, acute, 2-5.5 by 1.4-2.6 cm. Inflorescence pubescent. Peduncle-scales lanceolate-oblong, acute, 1 cm long. Floral bracts lanceolate, acute, sparsely pubescent. Flowers 10-12 or more, in a lax raceme. Ovary 1 cm long, glabrous, sessile. Sepals ovate-lanceolate, 1-nerved, acute, 0.5 cm long; median sepal cohering with the petals. Petals oblong, 0.5 by 0.25 cm, apex obliquely truncate, narrowed at the base, 1-nerved, the nerve running close to the posterior margin. Lip at the base saccate or strongly concave, constricted above the middle, at the apex dilated into a broadly obtriangular blade, minutely apiculate; from the middle of the basal sac with a raised crest that ends in a callus; at the base of the sac on either side with a stalked fleshy appendage; margin of the sac membranous-winged.
(After Ames, 1908, as Adenostylis luzonensis Ames)

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