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First and second lemmas golden yellow with silvery apices, covered with white sericeous hairs, keels scaberulous; the first c. 3.25 mm. long with the awn c. 1/3-1/2 the length of the body; the second c. 2.75 mm. long, with the awn up to twice as long as the body. Anthers of the first (male) floret c. 2.8 mm. long. Terminal lemma 2-3.5 mm. long, almost invisibly 5-nerved. Anthres c. 3.25 mm. long.
Panicles 2-9 cm. long, narrow, linear-oblong in outline, compact but sometimes interrupted in the lower part, shiny, pale green; rhachis terete, often sulcate towards the base, smooth, glabrous; branches binate or solitary, rarely in clusters, ascending to almost erect and appressed to the rhachis, glabrous, smooth.
Perennial; up to 0.8 m high; loosely or densely tufted and rhizomatous. Culms with bases usually bulbous. Leaf blades 70-250 x 4-9 mm. Flowers: panicle compact; spike-like; 40-130 mm long; spikelets 6-8 mm long; lower glume 1-nerved; lower lemma ± 5 mm long; pale to light brown; usually sparsely hairy.
Leaf-laminae 1-15 x 0.1-0.9 cm., linear or linear-lanceolate from a slightly auricled base, tapering to a very fine acute point, expanded or folded (usually towards the apex), glabrous or rarely scattered pilose, usually ciliate along the margins towards the base, finely asperulous on both surfaces.
Perennial, loosely or densely tufted and rhizomatous, up to 0.8 m high. Leaf blades 70-250 mm long, 4-9 mm wide. Bases of culms usually bulbous. Spikelets 6-8 mm long. Panicle spike-like, 40-130 mm long; lower glume 1-nerved; lower lemma ± 5 mm long, pale to light brown, usually sparsely hairy.
Inferior glume c. 3.5 mm. long, 1-nerved, ovate when expanded, apex acute to acuminate, keels scabrous; superior glume 5-6.75 mm. long, 3-nerved, with the nerves close together thus leaving wide hyaline flanks, ovate when expanded, apex very acute to acuminate, keel scabrous.
Culms 12-75 cm. tall, 2-4-noded, erect or ascending from a decumbent base, simple or rarely branched from the lower nodes, terete, weak, rather slender, smooth, glabrous.
Leaf-sheaths shorter than the internodes, rather tight at first, striate, smooth or reversedly scaberulous; the basal ones often with the laminas reduced to scales.
Perennial to 80 cm, culms often bulbous below. Leaves linear-lanceolate, 4-9 mm wide. Spikelets in a spike-like panicle, 6-8 mm long, lower glume 1-nerved.
Spikelets 5.5-7 mm. long (excluding the awns!), oblong-lanceolate in outline, pallid.
Ligules 2-5 mm. long, scarious, whitish, obtuse, fringed with short cilia.
Pedicels short, with short spreading whitish hairs.
A strongly aromatic rhizomatous perennial.
Caryopsis c. 1.75 mm. long.
