Plant pendulous, glabrous. Internodes compressed near apex when young, soon becoming terete. Leaves linear to broadly lanceolate, attenuate but finally rounded at apex, often with a small mucro; lamina 7–17 cm long, 3–35 mm wide, dull both sides, attenuate at base into an obscure to distinct petiole up to 10 mm long; venation obscure to distinct. Inflorescence axis 3–5 cm long, bearing 3–6 pairs of triads on peduncles 2–4 mm long; all flowers sessile; bracts 1.5–2.5 mm long, rounded at apex. Calyx entire or weakly toothed or dissected, 0.7–1 mm long. Corolla in mature bud usually 16–24 mm long, rarely to 31 mm, red below, usually green or cream above; petals united in lower 0.5–1 mm. Anthers 2–5 mm long, equal to or longer than free part of filament. Fruit ellipsoidal, c. 12 mm long, often longitudinally striped.
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