Cyperus marlothii Boeckeler

Perennial herb, tufted, 0.15-0.24 m high, base pseudobulbous. Leaf blades 1.1-3.0 mm wide, V-shaped. Culm scapose, obscurely 3-angled, 0.7-2.5 mm in diam. Inflorescence an anthela of 3-7 spikes, often contracted to various degrees (sometimes to a multifid head), spikes shortly cylindrical, 10-13 x 5-8 mm. Subtending bracts 4-7, leaflike. Spikelets densely crowded, ovate to narrowly ovate, 2.7-4.3 x 1.0-1.9 mm, terete to 3-angled, 1-or 2-flowered. Glumes: fertile ovate when flattened, 2.9-4.3 mm long, keel non-excurrent. Flowering time Dec., Jan. Nutlet elliptical to obovate, 1.6-2.3 x 0.8-1.4 mm, 3-angled, reddish brown, surface minutely reticulate.