Tridactyle latifolia Summerh., Kew Bull. 3: 298 (1948).
Description:
Plant with robust stems 22-40 cm long, usually semi-pendent. Leaves 5 or 6, narrowly elliptic- oblong, curved, leathery, unequally bilobed at the apex, 9.5-13.5 cm long, 1.7-2.5 cm wide. Inflorescences lax, 5-11.5 cm long, 8- to 18-flowered. Flowers yellowish, small; sepals oblong-lanceolate to oblong-elliptic, dorsal sepal 4.2-6 mm long, 1.7-2 mm wide, lateral sepals oblique, 4.3-5.5 mm long, 2-2.3 mm wide; petals ligulate-lanceolate or narrowly lanceolate, 4-5.5 mm long, 1-1.2 mm wide; lip auriculate at the base, 3-lobed near the middle, side lobes longer than mid-lobe, fimbriate at the tips, mid-lobe narrowly triangular, acute, in total, 3.8-6 mm long, 9 mm wide; spur narrowly cylindric, incurved, 10-14 mm long.
Habitat:
Epiphyte on trees on a river bank; flowering in November.
Cultivation:
As given for the genus, hot to warm growing epiphyte.
Notes:
According to Summerhayes (1948), this species has the widest leaves in the genus.
Distribution:
Príncipe, Gabon
References:
Angraecoid Orchids Stewart, Hermans and Campbell 2006; 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
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