Description: Moderately robust, rhizomatous; rhizome 1-5 mm diam. Cataphylls ovate to lanceolate, 0.2-4.5 x 0.1-0.2 cm rounded to acute. Culms several, erect or arching, lateral, 3-8.5 cm x 0.4-1.4 mm, +/- terete, glabrous, greenish. Leaves basal, up to 57 cm long; leaf-blade linear to linear-oblong, 16-30 x 0.7-2 cm, apex abruptly narrowed, obtuse, long-cuspidate, base gradually narrowed into pseudopetiole, coriaceous, very dark green often with metallic blue sheen, distinctly paler beneath, 3-nerved, secondary nerves indistinct to distinct, flat in cross-section, strongly septate-nodulose when dry, margins entire to serrulate; pseudopetiole 2-11 x 0.3-0.5 cm; sheath narrowly lanceolate, 1-6 x 0.5-0.8(- 1.2) cm, apex very gradually narrowed, sometimes indistinct from leaf-blade, coriaceous, brownish. Involucral bracts several, glumaceous, ovate to lanceolate, 0.4-1 x 0.2-0.5 cm, basal bract longest, acute to subobtuse, somewhat spreading in mature inflorescence, coriaceous, brownish, glabrous, nerves distinct. Inflorescence terminal, composed of 1 spike; spike elliptic to obovate with maturity, 0.9-1.4 x 0.3-0.5 cm, obtuse, mid-brown; spicoid bracts lanceolate to ovate-lanceolate, 6.7-8.5 x 1.6-2.2 mm, subobtuse, somewhat coriaceous, midbrown, glabrous, nerves indistinct to distinct; floral bract<; 6, free, lowest 2 bracts linear, 6.5-8.7 x 0.7 mm, acute, mid-brown, keel wingless, hispid, upper bract linear, 6.7-8.7 x 0.5 mm, flat to slightly keeled, glabrous; staminate flowers 3 per spicoid, anthers linear, 4 mm long, filaments up to 10 mm long; stigma branches 3; style up to 5 mm long. Fruit ellipsoid, sometimes obscurely trigonous, 3. 7-6 x 2-2.4 mm, apex apiculate, base stipitate; exocarp succulent, thin, dull mid- to dark brown, costae absent.1
Uses: crushed roots are taken with black cumin for helminthiasis in bangladesh
Culture: "From our experience it needs stony medium and extra humidity under low light level. Adding a little limestone seems beneficial." 2
Accession # 201000059
Source: Chad Husby
Provenance: specimen collected in peninsular Malaysia.