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Epiphytic, epilithic or terrestrial herb. Stem erect, creeping or ascending, rooting at nodes, 10-50 cm long, glabrous, green or green with red spots. Leaves alternate, basely attached; petiole 1-7 cm long, more or less laterally winged or grooved, glabrous; blade fleshy, often red-dotted, obovate or elliptic, sometimes even broadly elliptic, 4.5-14 x 2.5-6 cm, apex rounded, obtuse occasionally slightly emarginate to acutish, base cuneately decurrent into petiole, sometimes abruptly contracted, glabrous; venation obvious, ca. 7-pli-veined, or a few veins branching off primary vein or obsolete when dried. Inflorescence terminal, erect, solitary or usually 2(-few) together; peduncle slender (when dried) or not slender, 1-8 cm long, glabrous, green or pinkish; spike to 18 cm long, green, white or yellow, densely flowered; floral bracts rounded, 5-7 mm in diam., glabrous, glandular. Fruits basely attached, subglobose, verruculose, reddish brown or blackish, gradually tapering into beak, which is slightly hooked at the very tip, stigma at base of beak.
Herbs , perennial, rhizomatous, erect, decumbent, or reclining, simple or sparsely branched, 10-40 cm, glabrous, without black, glandular dots. Leaves alternate; petiole 1/6-1/4 length of blade, glabrous. Leaf blade prominently to obscurely pinnately veined, spatulate to broadly ovate or broadly elliptic, 3-14 × 1.5-6 cm, lateral veins arching-ascending, originating from base to near apex of blade, base attenuate or narrowly to broadly cuneate, not auriculate, not clasping, slightly decurrent along petiole, apex notched or retuse; surfaces resinous-dotted, especially abaxially. Spikes mostly terminal, 1-3, densely flowered, 6-17 cm; peduncle glabrous, mature fruiting spikes 2-3 mm diam. Fruits sessile, ellipsoid, base rounded or tapering, tapering gradually to beak, 0.7-0.9 × 0.5-0.6 mm, minutely warty; beak elongate, 0.5-1 mm, tapering smoothly from broadened base to sharply acute apex, without filiform apical portion, straight, bent, or gradually hooked from about middle.
