Angraecum baronii (Finet) Schltr., Beih. Bot. Centralbl. 33(2): 431 (1915).
Synonyms:
Macroplectrum baronii Finet, Bull. Soc. Bot. France 54(9): 24 (1907).
Angraecum dichaeoides Schltr., Beih. Bot. Centralbl. 34(2): 336 (1916).
Description:
Plants pendent epiphytes 20-50 cm long, stem many branched, 1.5-3 mm in diameter; sheaths 5- 7 mm long, heavily veined (7 veined) and carinate dorsally; leaves numerous in the upper third of the stem, distichous, thin, slightly rigid, oblique, lanceolate-acute (25-30 x 3.5-4.5 mm), dorsal vein projecting, larger toward the base and then attenuate-acute toward the apical point. Inflorescence bearing sheaths, in the upper leaves, ordinarily shorter than the leaves. single or bifloral; peduncle 5-7 mm long, not bearing the tubular sheaths other than at the base, bracts oval-acute, 2.5 mm long, equal to half the length of the pedicel. Sepals lanceolate (6 x 2.5 mm slightly attenuate toward both the base and the acute apex 3-5 veined. Petals slightly smaller (5.5 x 1.5 mm), and 3-5 veined. Labellum thick, cucullate-concave, oval acuminate 5.5 x 4 mm above the base), with a long, thick acumin, acute and 7 veined, veins slightly distinct: spar 2.5-3 mm long, cylindrical then enlarged-saccate apically, Column wider than tall; auricles taller than wide, rounded apically; without a median tooth in the notch of the rostellum. Anther bare above, sub truncate in front or slightly excised but with the margins provided with an acute tooth, pollina globulous and white: cauda 2, distinct, trilobed basally. Pedicel twisted or straight, 6 mm long generally.
Habitat:
Pendent epiphytes in mossy forests, from 1400-2000 m alt., flowering in December-March.
Cultivation:
As given for the genus, cool to cold growing epiphyte.
Distribution:
N. & C. Madagascar
References:
Flora of Madagascar Perrier 1936/81; Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986 as A costatum; Angraecoid Orchids Stewart, Hermans, Campbell 2006; Orchids of Madagascar Hermans 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009; WCSP (2017). 'World Checklist of Selected Plant Families. 25.01-2017; http://apps.kew.org/wcsp/
Images:
Click on each image to see a larger version.
| Habitat/ In situ | Habitat/ In situ |
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| Photograph Gilles Grunenwald. Image used with kind permission. | Photograph Gilles Grunenwald. Image used with kind permission. |
