AFRICAN

ORCHIDS

Gastrorchis lutea (Ursch & Toill.-Gen. ex Bosser) Senghas in F.R.R.Schlechter, Orchideen Beschreib. Kult. Zücht., ed. 3, 1(15): 887 (1984).
Homotypic Names:
Phaius luteus Ursch & Toill.-Gen. ex Bosser, Adansonia, n.s., 11: 535 (1971).
Description:
The erect, moderately sized, sympodial plants are normally terrestrial but they also grow epiphytically at the base of moss-covered tree trunks.
Pseudobulb:
2.5 cm long and ovoid.
Leaves:
3-4 per growth. The leaves are 20-40 cm long, arising directly from the apex of the pseudobulb. Light green and narrowly lanceolate, the foliage is thinly textured.
Inflorescence:
35-45 cm long. Each growth may produce 4-5 laxly flowered spikes, which arise from between the leaves.
Flowers:
5-10 per inflorescence. The flowers are 3.5-6.0 cm across. The greenish yellow blossoms are marked with bright yellow in the center of the lip.
Habitat:
In humid evergreen forests at elevations of 500 to 1100 meters .
Read more of cultivation of Gastrorchis lutea (Ursch & Toill.-Gen. ex Bosser) Senghas
Distribution:
Madagascar
References:
An Introduction to the Angraecoid Orchids of Madagascar Hillerman & Holst 1986; Orchids of Madagascar Hermans 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009
Images:
Click on each image to see a larger version.

In culture  In culture 
Gastrorchis lutea  01  Gastrorchis lutea 02 
Photograph© Lourens
Grobler. Image used
with kind permission. 
Photograph© Lourens
Grobler. Image used
with kind permission.