Calamagrostis arundinacea is a species of bunch grass in the family Poaceae, native to Eurasia, China and India.[2] Under its synonym Calamagrostis brachytricha it has gained the Royal Horticultural Society's Award of Garden Merit.[3]

Description

The species is perennial and tufted with short rhizomes and erect culms that are 60–150 centimetres (24–59 in) long. Each leaf has a truncate ligule which is 2–4 millimetres (0.08–0.16 in) long, and obtuse. The leaf-blades are 8–50 mm (0.3–2.0 in) by 1.8–10 mm (0.07–0.39 in), hairless and have both a scabrous surface and an attenuate apex. The panicle has a scaberulous peduncle and is lanceolate, open, continuous, and is 8–18 cm (3.1–7.1 in) long by 1–4 cm (0.4–1.6 in) wide. Flowers have a pair of lodicules and stigmas, and three anthers which are 2.4–2.7 mm (0.09–0.11 in) long. The fruit is a caryopsis with an additional pericarp.[2]

References

  1. ^ "Calamagrostis arundinacea (L.) Roth". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 14 August 2020.
  2. ^ a b W.D. Clayton; M. Vorontsova; K.T. Harman; H. Williamson. "Calamagrostis arundinacea". Royal Botanic Gardens. Kew: The Board of Trustees. Retrieved March 31, 2013.
  3. ^ "AGM Plants March 2020 © RHS – ORNAMENTAL" (PDF). rhs.org.uk. The Royal Horticultural Society. March 2020. Retrieved 11 September 2020.