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Eleocharis obtusa
Also called Blunt spike rush, Blunt Spikesedge
Blunt spikerush is a small annual sedge (Eleocharis obtusa) that grows in wet ground such as riverbanks, moist forest floors and rice paddies. Its key to growing it is consistently moist to wet soil, since it is a wetland plant.
Eleocharis obtusa is a species of spikesedge known by the common name blunt spikerush. This plant is widely distributed across Canada and the United States, where it grows in wet areas such as riverbanks and moist forest floors. It is also a weed of rice paddies, especially when the rice plants are young sprouts. This is an annual spikesedge approaching half a meter in maximum height. It has many green cylindrical stems which are erect but weak and spongy. There may be thin, grasslike leaves toward the base of the plant, which are generally straw-colored. Atop each stem is a rounded or oblong spikelet containing at least ten flowers, each covered by an oval-shaped brown bract.
Needle spikerush · Sharp Spike Sedge · Purple spikerush · Glades spikerush · Bolander's spikerush · Eleocharis brassii · Eleocharis caespitosissima · Algal Bulrush · Drooping Spikerush · Eleocharis dietrichiana · Chinese water chestnut · Jointed spikesedge
Text excerpted from the Wikipedia article Eleocharis obtusa by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
