AFRICAN

ORCHIDS

Aeranthes adenopoda H.Perrier, Notul. Syst. (Paris) 7: 46 (1938).
Description:
Plants acaulis, short (8-9 cm), leaves 7-10 lanceolate-linear (4.5-7 x 0.5-1 cm), thin and attenuate gradually toward the base. Inflorescences numerous, upright, half as long as the leaves: peduncle filiform, unifoliate or rarely bifoliate, bearing several 2.5 mm long sheaths below the middle: bracts orbicular, shortly apiculate, one-third as long as the pedicel; flowers small, hyaline, sprinkled exteriorly with small, sessile, blackish glands. Median sepal oval-lanceolate (5 x 2.5 mm), subacute and 4 veined, lateral sepals larger (6 x 4 mm), 5 veined, with the front edge joined to the column foot and very widely dilate. Petals oval-lanceolate (4.5 x 2 mm), 3 veined, attenuate-acute apically. Labellum widely obovate, 5 mm long, wider (4.5 mm) in the upper third, obtuse and sub apiculate apically, provided basally with 3 projecting, diverging apically, keels; 10 veined, veins arranged in a fantail; spur cylindrical, 6.5 mm long, foot slightly distinct from the spur, widely enlarged-oval at the oriface, tipped by the spur. Anther small (0.8 mm), excised apically; pollina spherical and blackish. Column short (l mm), auricles obtuse and wide; clinandrium with its posterior margins enlarged-angled and obtuse. Pedicel 3.5 mm long. sprinkled with sessile, blackish glands.
Habitat:
In humid forrests at elevations around 1000 to 1300 meters
Cultivation:
Intermediate to warm with minimum night temperatures of 60-65F (15-18C). Light: 2400-3600 footcandles; around 70% shade.
Distribution:
Madagascar
References:
Flora of Madagascar Perrier 1938/81; An Introduction to the Cultivated Angraecoid Orchids of Madagascar Hillerman & Holst 1986; Flora of Madagascar Perrier 1981; 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. 20.01-2017; http://apps.kew.org/wcsp/
Images:
Click on each image to see a larger version.

Habitat/ In situ Habitat/ In situ
Aeranthes adenopoda 01 Aeranthes adenopoda 02
Photograph Gilles Grunenwald. Image used with kind permission. Photograph Gilles Grunenwald. Image used with kind permission.

 

Habitat/In situ Habitat/In situ Habitat/In situ Habitat/In situ Habitat/In situ Habitat/In situ Habitat/In situ
aeranthes adenopoda 01 aeranthes adenopoda 02 aeranthes adenopoda 03 aeranthes adenopoda 04 aeranthes adenopoda 05 aeranthes adenopoda 06 aeranthes adenopoda 07
Photograph Frederic Henze. Image used with kind permission. Photograph Frederic Henze. Image used with kind permission. Photograph Frederic Henze. Image used with kind permission. Photograph Frederic Henze. Image used with kind permission. Photograph Frederic Henze. Image used with kind permission. Photograph Frederic Henze. Image used with kind permission. Photograph Frederic Henze. Image used with kind permission.