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Juncus ingens, common name giant rush, is a dioecious perennial with horizontal or ascending rhizomes. The stems are erect, dull green, (1.5–2–5 m tall and 4–10 mm in diameter, cataphylls are to 40 cm or more long. The inflorescence is large and drooping, with many flowers scattered along fine branchlets. Flowers occur mostly October-January, seeds are shed mostly December-April. Juncus ingens was first described by Norman Wakefield in 1957. It is one of only two known dioecious species of Juncus native to Australia, the other being Juncus psammophilus.
Juncus ingens is native to the floodplains of southeastern Australia, occurring mainly in Victoria, forming dense stands on the margins of seasonal wetlands. Giant rush is rarely grazed by introduced herbivores such as cattle or horses, or by native herbivores such as kangaroos, and is also resistant to fire.
Dwarf Rush · Rush · Tapertip rush · Sharpflower rush · Spiny rush · Northern green rush · Antarctic rush · Arctic rush · Jointleaf rush · Austral Rush · Mexican Rush · Baltic Rush
Text excerpted from the Wikipedia article Juncus ingens by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
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.
