Species Information - Calanthe vestita

Calanthe vestita Wall. ex Lindl., Gen. Sp. Orchid. Pl. (1833) 250

Type: Wallich s.n. (Burma, Tavoy) (holo K-WALL)

Synonyms:

• Preptanthe vestita (Wall. ex Lindl) Rchb.f., Fl. Serres Jard. Eur., ser. 1, 8 (1852-53) 245
• Phaius vestitus (Wall. ex LindlLindl.) Rchb.f., Gard. Chron. (1867) 264
• Alismorchis vestita (Wall. ex LindlLindl.) Kuntze, Rev. Gen. Pl. (1891) 650
• Cytheris griffithii Wight, Icon. Pl. Ind. Or. 5 (1851) 21, t. 1751-52
  - Type: Griffith s.n. (Mergui) (holo K)
• Amblyglottis pilosa de Vriese ex Lindl., Folia Orchid. Calanthe (1855) 11
  - Type: not designated
• Preptanthe villosa Rchb.f., Bonplandia 5 (1857) 42 (nom. nov.)
• Calanthe pilosa (de Vriese ex Lindl.) Miq., Fl. Ned. Indië 3 (1859) 711
• Calanthe vestita Wall. ex Lindl var. igneo-oculata Hort. ex Rchb.f., Gard. Chron. (1876, I) 534
  - Type: Lawrence cult. s.n. (holo W)
• Calanthe grandiflora Rolfe, Orchid Rev. 9 (1901) 141
• Calanthe regnieri Rchb.f., Gard. Chron. (1883, I) 274
  - Type: Veitch cult. (Regnier) s.n. (Indochina)
• Calanthe turneri Rchb.f., Gard. Chron. (1883, I) 274
  - Type: Veitch cult. s.n. (Java)
• Calanthe vestita Wall. ex Lindl var. oculata-gigantea Rchb.f. ex B.S.Williams, Orchid Grow. Man. ed. 6 (1885) 166
  - Type: ?Borneo, ex Spiers (not located)
• Calanthe vestita Wall. ex Lindl var. fournieri Rolfe, Gard. Chron. (1892, I) 488
  - Type: Fournier cult. s.n. (Borneo) (holo K)
• Calanthe melinosema Schltr., Repert. Spec. Nov. Regni Veg. 21 (1925) 179
  - Type: Schlechter 20405 (holo B, lost)
• Calanthe padangensis Schltr. ex Mansf., Repert. Spec. Nov. Regni Veg. Beih. 74 (1934) 4, t. 54, fig. 214
• FOR ADDITIONAL LITERATURE AND SYNONYMY SEE Kurzweil, H., Adansonia Ser. 3, 32 (2010) 57-107

Pseudobulbs closely spaced, 3-4-leaved, conical-ovoid, angular, 4-10 by 2.5-3 cm, becoming leafless after one season. Leaf sheaths short. Leaves narrowly elliptic, 40-60 by 5-20 cm, glabrous, plicate, deciduous after one growing season, apex acuminate. Inflorescence arising at the base of the pseudobulb, racemose, erect, curved at the top, c. 50 cm long, peduncle and rachis pilose, peduncle-scales 4-6, 10-20-flowered. Floral bracts ovate, 1.5-2.5 by 1.2 cm, apex acute-acuminate, shortly pubescent. Ovary 1.5-3.5 cm long, pilose. Flowers resupinated, showy. Median sepal lanceolate, 2.2 by 0.7-0.8 cm, pilose outside. Lateral sepals somewhat obliquely lanceolate, 2.5 by 0.7-0.8 cm, pilose outside, apex acuminate. Petals elliptic, 1.8-2 by 0.8 cm, glabrous, apex apiculate. Lip clawed, 3-lobed near the middle of the blade, the claw entirely adnate to the column, in total 1.8-2 by 1.9-2.3 cm, spurred, with three low ridges from the apex of the claw decurrent on the mid-lobe; lateral lobes obliquely rectangular-oblong, 1 by 0.5 cm, rounded to subtruncate; mid-lobe bilobulate, 1.2 by 1.5-1.8 cm, lobules divergent, truncate, margins erose; lip glabrous except for the spur; spur strongly incurved, slender, 2-2.5 cm long, shortly pubescent. Column semiterete, 0.8-1 cm long, entirely adnate to the claw of the lip. Anther with two horn-like projections in front. Pollinia equal, in two groups of 4.
(After Chan et al., 1994).

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