Tridactyle filifolia Schltr.

A pendent epiphyte, often forming large masses.. Stem with a few branches, 10–80 cm. or more long, 1.2–1.5 mm. in diameter; roots basal, smooth, 1–2 mm. in diameter.. Leaves suberect to falcate, terete, 3.5–14 cm. long, 0.3–1 mm. wide, usually grooved on the upper surface, articulated to 0.8–1 cm. long bases.. Inflorescences 2–8 mm. long, 2–3-flowered; pedicel 1–2 mm. long; bracts amplexicaul, triangular, 0.5 mm. long.. Flowers dingy white; pedicel and ovary 2.2–4 mm. long, lepidote.. Dorsal sepal lanceolate, acute, 2.3–3.3 mm. long, 1–1.8 mm. wide; lateral sepals obliquely ovate, acute, 2.4–3.5 mm. long, 1.2–2 mm. wide.. Petals linear-lanceolate, acute, 2–2.9 mm. long, 0.6–1.1 mm. wide.. Lip auriculate at the base, 3-lobed in the apical half, 1.7–3.4 mm. long, 0.8–2 mm. wide; side lobes spreading, acute, half the length of the mid-lobe; mid-lobe triangular, acute, ± 1 mm. long.. Spur filiform, incurved, 6–8.3 mm. long.. Column 0.7–1.2 mm. long.. Fig. 153.