Terrestrial, epilithic or epiphytic herb, erect or ascending and rooting at decumbent base. Stem glabrous, 10-34 cm long, green or reddish. Leaves basely attached, alternate; petiole 0.5-1 cm long, glabrous, narrowly winged; blade fleshy and membranous, narrowly elliptic or narrowly oblanceolate, (3.5-)7-17 x (0.7-)1-3 cm, somewhat ciliate towards apex, apex acuminate, base acute, decurrent into petiole, glabrous; pinnately 7-11-veined. Inflorescence terminal or in upper leaf axils, solitary, bifurcate or once-branched; common peduncle green, not slender, 2-6 cm long, lateral branches 0.5-1.3 cm long, with linear-(ob)lanceolate, cadoucous bracts; spike densely flowered, erect, 4-11 cm long, whitish or yellowish green; floral bracts rounded, glabrous, glandular. Fruits basely attached, narrowly cylindrical, brown, apex with short beak and subapical stigma.