Lipocarpha aristulata |
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awn halfchaff sedge, awn lipocarpha, halfchaff sedge, point hemicarpha |
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Culms | 2–15 cm × 0.3–0.5 mm. |
Leaves | 1–6 cm × 0.4–0.6 mm. |
Inflorescences | spikes 1–2, ovoid (to globose), 1–5(–8) × 1–2.5 mm; bracts 1–2, longest erect, 1–3.5 cm × 0.3–0.5 mm. |
Spikelets | floral scales 2; 1st scale light brown to reddish brown, with greenish midvein, obtrullate to rhomboid, 0.9–1.6 × 0.3–0.6 mm, widest at mid length, long-acuminate, curving outward; 2d scale oblong, veinless (occasionally 2–4 reddish veins), 0.5–0.8 × 0.2 mm; 3d scale absent; stamens 1; anthers 0.2 mm; stigmas 2. |
Achenes | obovoid to terete, 0.5–0.8 × 0.25–0.35 mm, 1.5–2.5 times long as wide. |
Lipocarpha aristulata |
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Phenology | Fruiting late summer–early fall. |
Habitat | Typically on sandy soils, emergent shorelines, stream banks, ponds, ditches |
Elevation | 0–1500 m (0–4900 ft) |
Distribution |
AZ; CA; CO; KS; MN; MO; NE; NM; OK; OR; TX; WA; WY |
Source | FNA vol. 23, p. 196. |
Parent taxa | |
Sibling taxa | |
Synonyms | Hemicarpha micrantha var. aristulata, Hemicarpha aristulata, Hemicarpha intermedia |
Name authority | (Coville) G. C. Tucker: J. Arnold Arbor. 68: 410. (1987) |
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