Cyperus exaltatus Retz. APNI*
Description: Stout tussock-forming perennial.
Culms trigonous, smooth, 100–180 cm high, to 8 mm diam.
Leaves not septate-nodulose, as long as culms or longer, 5–15 mm wide. Inflorescence compound or decompound, with 5–10 primary branches to 18 cm long; spikes narrow-cylindrical, 2–5 cm long, 0.5–1.5 cm diam.; involucral bracts leaf-like, 4–6 to 90 cm long. Spikelets flattened, numerous per spike, 4–18 mm long, 1–2 mm wide, 6–44-flowered; rachilla broadly winged, persistent. Glumes obtuse, mucronate, with sides ± nerveless, 1.5–2.0 mm long, yellow to dark yellow-brown. Stamens 3. Style 3-fid.
Nut trigonous, ellipsoid, less than half as long as glume, 0.6–0.8 mm long, 0.3–0.5 diam., yellow-brown.
Distribution and occurrence: Grows in shallow water and on banks of streams and lagoons; widespread.
NSW subdivisions: NC, CC, SC, CT, ST, NWS, CWS, SWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A. N.T.
Text by K. L. Wilson (1993); edited KL Wilson (Nov 2020)
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.