AFRICAN

ORCHIDS

Rhipidoglossum burttii (Summerh.) Summerh., Blumea, Suppl. 1: 82 (1937).
Homotypic Names:
Diaphananthe burttii Summerh., Bull. Misc. Inform. Kew 1934: 211 (1934).
Margelliantha burttii (Summerh.) P.J.Cribb, Kew Bull. 34: 331 (1979).
Angraecopsis burttii (Summerh.) R.Rice, Prelim. Checklist & Survey Subtrib. Aerangidinae (Orchidac.): 21 (2005).
Description:
Plants small, with a short stem up to 5 cm long, 5 mm in diameter. Leaves spaced close together, oblong or oboval, unequally bilobed at the apex, 10-15 cm long, 1.5-2 cm wide. Inflorescences arising below the leaves, 6-10 cm long, 6- to 10-flowered; bracts small. Flowers white; sepals sub-elliptic, obtuse, dorsal sepal 4-5 mm long, 2-3 mm wide, lateral sepals 5 mm long, 1.5 mm wide; petals broadly elliptic, rounded at the apex, 5-6 mm long, 4-5 mm wide; lip broadly rhomboid, 5 mm long, 8 mm wide; spur narrow, inflated at the apex, slightly incurved, ca. 10 mm long, 1.5 mm in diameter.
Habitat:
Epiphyte on trees in montane forest; ca 2000 m.
Cultivation:
As given for the genus, cool growing epiphyte.
Notes:
Easily distinguished from the other species in the genus by its larger leaves, as well as its geographical distribution. Daniel Geerinck (1992) prefers to retain this species in Diaphananthe as Victor Summerhayes originally described it.
Distribution:
E. Zaïre to W. Rwanda
References:
Angraecoid Orchids Stewart, Hermans, Campbell 2006; WCSP (2017). 'World Checklist of Selected Plant Families. 02.03-2017; http://apps.kew.org/wcsp/
Images:
Click on each image to see a larger version.

Habitat/In situ Habitat/In situ In culture In culture In culture In culture In culture
Rhipidoglossum burttii 01 Rhipidoglossum burttii  02 Margelliantha burttii 01 Margelliantha burttii 02 Margelliantha burttii  03 Margelliantha burttii  04 Margelliantha burttii 05
Photograph© João
Farminhão/ Missouri
Botanical Garden.
Image used with
kind permission.
Photograph© João
Farminhão/ Missouri
Botanical Garden.
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.
Photograph ©Gilles
Grunenwald. Image
used with kind permission.
Photograph ©Gilles
Grunenwald. Image
used with kind permission.