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Angraecum sedifolium Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 316 (1925).
Homotypic Synonyms:
Angraecoides sedifolia (Schltr.) Szlach., Mytnik & Grochocka, Biodivers. Res. Conservation 29: 10 (2013).
Description:
Upright or pendent plant about 15 cm tall; stems simple, densely leafed, about 2 mm in diameter; leaves narrowly linear, 20-25 x 1.5-2.5 mm, keeled dorsal; inflorescences one-flowered, shorter than the leaves; peduncle slender, 17-23 mm long; flower small, yellowish (perianth 8 mm); sepals 8 mm long, three-veined; petals lanceolate-acuminate, one veined; lip 7.5 x 5 mm below the middle, rounded at the base, slightly concave; spur 13 mm long, with slightly obtuse tip; column 1.5 mm long; pedicellate ovary about 10 mm long.
Habitat:
This species is endemic in central Madagascar, in moss forest, at altitudes of around 2,000 meters (6,560 feet). Mt. Tsiafajavona is mentioned as a specific locality.
Cultivation:
Grown on slabs cool growing epiphyte, low light (500 to 1,500 fc.). They shall misted almost daily.
Notes:
This is another semi-mini species that would be of interest to "mini" growers. The plant tends to form a rooty mass with numerous leads or branches, but the entire mass is easily accommodated on a 3 x 6-inch slab, and it is easy to divide. When in flower (usually in summer), such a plant will throw out 30—50 inflorescences and many flowers. Although certainly not spectacular, it is showy because of its numerous flowers.
Distribution:
Central Madagascar
References:
Flora of Madagascar Perrier 1939/81; Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986; Angraecoid Orchids Stewart, Hermans, Campbell 2006; Orchid Digest Vol 71 No 1 2007; Orchids of Madagascar Hermans 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009; Compendium of Miniature Orchid Species Parsons & Gerritsen 2013; WCSP (2017). 'World Checklist of Selected Plant Families. 28.01-2017; http://apps.kew.org/wcsp/
Images:
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In culture	In culture	In culture	In culture
Photograph Gilles Grunenwald. Image used with kind permission.	Photograph Gilles Grunenwald. Image used with kind permission.	Photograph Gilles Grunenwald. Image used with kind permission.	Photograph Gilles Grunenwald. Image used with kind permission.