AFRICAN

ORCHIDS

Tridactyle anthomaniaca subsp. nana P.J.Cribb & Stévart, Kew Bull. 59: 205 (2004).
Description:
Epiphytic herb; stem up to 41 cm long, 5 mm in diameter, pendulous, many branched, papillose; roots smooth, 1 - 2 mm in diameter. Leaves numerous (usually more than 100), ovate to oblong, distichous, 5 - 6 mm apart, twisted at base to lie in one plane, fleshy and coriaceous, 0.9 - 1.9 x 0.5 - 0.6 cm, unequally roundly bilobed, lobes 0 - 1 mm long, upper face furrowed, puberulous, lower face papillose. Inflorescence very short, numerous, borne opposite to the leaves, 1- flowered. Flowers distichous, whitish green; pedicel and ovary 2 mm long, papillose; bracts amplexicaul, enclosing the base of the pedicel, 0.5 x 1.5 mm. Dorsal sepal triangular, acute, 4 x 1.8 mm, trinerved, thickened, papillose on the outer face. Lateral sepals obliquely triangular, acuminate, 3 - 4 x 2 mm, trinerved, thickened, papillose on the outer face. Petals 3.1 x 1 mm, narrowly triangular, acute, trinerved. Lip entire, narrowly triangular, acute, 3.2 x 1 mm, with two distinct auricles at mouth of the spur; spur curved at the base, compressed, inflated toward the apex, apex obtuse, 12 x 0.5 - 0.8 mm. Column 2 mm long.
Etymology:
Tridactyle anthomoniaca subsp. nana is named for the very small size of its leaves.
Habitat:
Evergreen mist-forest; 1000 – 1110 m. Epiphyte on small branches at 20 - 25 m on the upper part of the canopy.
Cultivation:
It is very easy to grow in shade or sunny conditions.
Distribution:
Cameroon to Equatorial Guinea
References:
World Checklist of Monocotyledons. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the Internet; http://www.kew.org/wcsp/monocots/ accessed 21.03.2017
Images:
Click on each image to see a larger version.