Compilation
Cyperus fenzelianus

Fairly robust perennial with rather thick horizontal, often curved, scale-covered 3–10 mm thick stolons and only slightly swollen stem-bases; stems 40–90 cm long and 1–4 mm thick, glabrous, triangular above, terete below. Leaf-blades few, withering early, the largest 15–30 cm long and 3–5 mm wide; leaf-sheaths light brown to dark reddish brown. Inflorescence a 5–13 cm long and 2–10 cm wide anthela consisting of 1 sessile and 4–8 stalked spikes on 0.5–10 cm long peduncles, with or without secondary spikes from the base of the primary spikes; inflorescence-bracts 3–7, leafy, erect or spreading, scabrid on margin and midrib, the largest 6–12 cm long and 2–5 mm wide. Spike 1–3 x 1–5 cm with 3–12 spreading spikelets. Spikelets 10–25 x 1–2 mm, linear-lanceolate, reddish brown with 8–20 flowers. Glumes 2–3 mm long, ovate, light to dark reddish brown with a narrow uncoloured margin and a greenish midrib ending below the obtuse tip; nerves very slender. Stamens 3. Style 3-branched. Nutlet 1.3–1.5 x 0.5–0.6 mm, elliptic, triangular, brown; surface almost smooth.