AFRICAN

ORCHIDS

Ypsilopus leedalii P.J.Cribb, Kew Bull. 40: 417 (1985).
Description:
A small epiphytic herb. Stem short, c. 4 cm long, covered entirely by sheathing leaf bases. Leaves ligulate, unequally roundly bilobed at apex, up to 7 x 0-9 cm, articulated at an acute angle to the sheathing leaf bases 1 cm long. Inflorescences 5-5 cm long, up to about 10-flowered; bracts amplexicaul, 1-5 mm long. Flowers white; ovary and pedicel scabrid, 3 mm long. Dorsal sepal oblong-elliptic, rounded at apex, 5-5 x 2-5 mm; lateral sepals similar, 6 x 2-8 mm. Petals elliptic, rounded at apex, 6 x 3 mm, margins slightly erose. Lip subquadrate to obovate, obtuse, 8-5-9 mm, apical margins erose; spur tapering to apex, 13-14 mm long. Column 2-4 mm long; anther cap papillose; pollinia 2, spherical attached by a Y-shaped stipes to an elliptic viscidium; rostellum reflexed, bifid, slightly dilated at apex.
Habitat:
Epiphyte in montane forest at elevations around 2200 to 2300 meters.
Cultivation:
As given for the genus.
Distribution:
SW. Tanzania
References:
WCSP (2017). 'World Checklist of Selected Plant Families. 15.03.2017; http://apps.kew.org/wcsp/
Images:
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