Compilation
Tridactyle pulchella

Robust epiphytic herbs.Stems erect or pendent, woody, 20–80 cm long, seldom branched, covered with old leaf bases.Roots 2–8 mm in diameter, smooth or very slightly verrucose.Leaves distichous, very variable in size and texture, depending largely on degree of exposure to light, 6–15 × 0.6–1.8 cm, linear or ligulate, unequally 2-lobed at the apex, thin-textured and flat, or fleshy and conduplicate.Inflorescences arising along the stem, 3.5–13 cm long, densely up to c. 25-flowered, the flowers in 2 rows, all facing the same way.Pedicel and ovary 3–6 mm long; bracts sheathing, 1–2 mm long.Flowers yellowish, yellow-green or dingy-cream.Sepals 4–6 × 1.5–4 mm, ovate, acute, the lateral sepals oblique and slightly longer and wider than the dorsal sepal.Petals 4–6 × 1–2 mm, narrowly oblong.Lip auricled at the base, 4–6 mm long, 3-lobed at about halfway; mid-lobe 2–3 mm long, triangular; side lobes spreading, 3–5.5 mm long, linear, laciniate at the apex; spur 10–20 mm long, straight.Column 1–1.7 mm long.