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Bromus commutatus

Species of grass

Bromus commutatus
Summary

Species of grass

Brachypodium commutatum|(Schrad.) P. Beauv.| Bromus commutatus var. apricorum|Simonkai| Bromus hordeaceus var. commutatus|(Schrad.) Fiori| Bromus mollis var. commutatus|(Schrad.) Sanio| Bromus mutabilis var. commutatus|(Schrad.) F. W. Schultz| Bromus racemosus var. commutatus|(Schrad.) Maire & Weiller| Bromus racemosus var. commutatus|(Schrad.) Coss. & T. Durand| Bromus secalinus commutatus|(Schrad.) Lloret| Forasaccus commutatus|(Schrad.) Bubani| Serrafalcus commutatus|(Schrad.) Bab.| Serrafalcus racemosus|(L.) Parl. Commutatus (Schrad.) Rouy

Bromus commutatus, the meadow brome, is an annual or biennial species of plant in the grass family Poaceae. In the United States it is known as hairy chess.

Description

The height ranges from 40 to 120 cm. The panicle is 7–20 cm, usually nodding and often spreading, but erect as first. The leaf-sheaths are hairy, the upper are usually hairless. B. commutatus is stouter than B. racemosus, the smooth brome, with a flower-head not drooping to one side and a broader elongated branched flower head.

Meadow brome structure

File:Node on Bromus commutatus.JPG|Node structure File:Detail of Bromus commutatus panicle.JPG|Panicle detail File:Bromus commutatus spikelets.JPG|Spikelets detail

Habitat and distribution

It is found in meadows, wasteground, road verges, hayfields and rough grassland. Found throughout the United Kingdom, it is common in England on the moist soils of water meadows; it is rare in Scotland, Ireland and Wales. It is found naturally throughout Europe, N. Africa, W. Asia. It has been introduced into North America and in the United States is known as 'Hairy Chess'. The flowering period is from May to July.

Crop value

Meadow brome in a typical habitat

The species has no fodder value in the United Kingdom and is regarded as a weed. The attractive inflorescences may be used, either fresh or dry, in flower arrangements.

Varieties

Bromus commutatus var. pubens Wats has spikelets which are not hairless, having soft hairs.

References

Notes

Sources

  • Clapham, A. R., Tutin, T. G. & Warburg, E. F. (1987). Excursion Flora of the British Isles. Cambridge : Cambridge University Press. .
  • Fitter, R., Fitter, A. and Farrer, A. (1984). Collins Guide to the Grasses, Sedges, Rushes, and Ferns. London : Collins. .
  • Hubbard, C. E. (1992). Grasses. Harmondsworth : Penguin Books.
  • McLintock, D. and Fitter, R. S. R. (1982). The Pocket Guide to Wild Flowers. London : Collins. .
  • Phillips, Roger (1980). Grasses, Ferns, Mosses, & Lichens London : Book Club Associates.

References

  1. [http://zipcodezoo.com/Plants/B/Bromus_commutatus/ synonyms. Accessed : 01-06-10] {{webarchive. link. (August 14, 2012)
  2. {{BSBI 2007
  3. Clapham, Page 460
  4. Fitter, Page 74
  5. McLintock, Page 277
  6. Philips, Page 72
  7. Hubbard, Page 85
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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