Scirpus radicans

Scirpus radicans
Scirpus radicans (left), Scirpus sylvaticus (right), from book plate, 1796
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Scirpus
Species:
S. radicans
Binomial name
Scirpus radicans
Schkuhr

Scirpus radicans is a species of flowering plant belonging to the family Cyperaceae.[1]

Its native range is Europe to Japan.[1]

Description

Perennial herb 60–125(150) cm tall. Rhizome short. Stems with long lateral shoots that bend in an arc to the soil and root at the top. Leaves up to 2 cm wide, flat. Perianth setae 2–3 times longer than the nut, sinuous, almost smooth. Spikelets pointed, lanceolate, blackish, 5–8 mm long, sitting 1 at the ends of smooth branches of a spreading paniculate inflorescence 10–20 cm long. Spikelets oblong-ovate to narrowly ovate, 5–8 × ≈ 2 mm, abundantly flowered. Spike scales densely arranged, oblong, ≈ 2 mm, membranous, both surfaces dark grayish-black, midrib pale yellow, base sometimes straw-colored, margins at apex ciliate, apex rounded. Anthers ≈ 1 mm, linear-oblong. Nut pale yellow, obovate, ≈ 1 mm, compressed on 3 sides. 2n = 56.[2]

References

  1. ^ a b "Scirpus radicans Schkuhr | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 14 February 2021.
  2. ^ http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200026955