Corynephorus canescens

Corynephorus canescens, common name grey hair-grass[2] or gray clubawn grass,[3] is a species of plants in the grass family, native to Europe, the Middle East, and North Africa but widely naturalized in North America.[1][4][3] In the United Kingdom it is rare. It can be found at sites such as Wangford Warren and Carr, a Site of Special Scientific Interest in the Breckland area of Suffolk.[5][6]

Corynephorus canescens
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Corynephorus
Species:
C. canescens
Binomial name
Corynephorus canescens
Synonyms[1]
  • Aira breviculmis Loisel.
  • Aira canescens L.
  • Aira triflora Willd. ex Steud.
  • Aira variegata St.-Amans
  • Agrostis canescens (L.) Salisb. not Griseb.
  • Avena canescens (L.) Weber
  • Corynephorus incanescens Bubani
  • Weingaertneria canescens (L.) Bernh.

Description

It has panicles which are 1.5–8 centimetres (0.59–3.15 in) long and 0.5–1.5 centimetres (0.20–0.59 in) wide. Its pedicels are 1–3 millimetres (0.039–0.118 in) in length while the leaf blades are 2–6 centimetres (0.79–2.36 in) long and 0.3–0.5 millimetres (0.012–0.020 in) wide. Both the upper and lower glumes are shiny, lanceolate, and membranous. The lemma have a dorsal awn and dentate apex with obscure lateral veins. Its fertile lemma is ovate, keelless, membranous and is 1.8–2.2 millimetres (0.071–0.087 in) long. The floret callus is hairy with rhachilla internodes being pilose. The flowers have three stamens which are 1.2–1.6 millimetres (0.047–0.063 in) long.[4]

References
  1. Kew World Checklist of Selected Plant Families
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. "Corynephorus canescens". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 17 January 2016.
  4. W.D. Clayton; M. Vorontsova; K.T. Harman; H. Williamson. "Corynephorus canescens". The Board of Trustees, Royal Botanic Gardens. Kew: GrassBase.
  5. Wangford Warren and Carr Archived 2014-03-03 at the Wayback Machine, SSSI citation, Natural England. Retrieved 2013-03-03.
  6. Breckland, Joint Nature Conservation Committee. Retrieved 2014-03-03.


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