Cyperus dactylotes Benth. APNI* Synonyms: Cyperus dactylotes Benth. subsp. dactylotes APNI*
Description: Tussock-forming perennial with very short rhizome.
Culms terete or trigonous above, smooth, 45–100 cm high, 2.5–4.5 mm diam.
Leaves septate-nodulose, shorter than to slightly exceeding culms, to 6.5 mm wide. Inflorescence compound or decompound, with often numerous primary branches to 14 cm long; clusters subdigitate, hemispherical to globose, 10–30 mm diam.; involucral bracts leaf-like, 3–5 much longer than inflorescence. Spikelets flattened, few to numerous per cluster, 5–15 mm long, 1.2–2.2 mm wide in side view, 6–30-flowered; rachilla not or narrowly winged; glume spacing 0.9–1.3 mm; spikelet falling as unit, or rachilla persistent. Glumes retuse to acute with mucro to 0.2 mm long, with sides 2- or 3-nerved, 1.3–2.1 mm long, , straw-coloured to golden brown. Stamens 3. Style 3-fid.
Nut trigonous, narrow-ellipsoid to narrow-obovoid, nearly as long as glume, 1.3–1.6 mm long, c. 0.5 mm diam., yellow-brown to dark golden brown.
Flowering: spring–summer.
Distribution and occurrence: Grows in seasonally wet situations, such as stream banks and roadside drains; NW corner of State to White Cliffs area.
NSW subdivisions: NFWP
Other Australian states: Qld W.A. S.A. N.T.
Text by K. L. Wilson
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.
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