Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Flora of Cornwall (1999)

The descriptive text, below the map, is from the Flora of Cornwall (1999), which was a Tetrad Atlas (the maps had 2km square dots or Tetrads). The map on this web page depicts the plant's distribution at the 1km square scale and shows the records made pre-2000 which were used in the 1999 Flora and those made since.

Arrhenatherum elatius var. bulbosum - Onion Couch

Onion Couch, with its bulbous basal internodes, is the common form of False Oat-grass in Cornwall and the Isles of Scilly, with probably over 90% of all records determined to variety level referrable to this variety. It is most readily seen late in the season after periods of dry weather, when the 'bulbs' are noticeable along the sides of Cornish Hedges.

Click here to see Aphotoflora images by David Fenwick


French, C.N., Murphy, R.J. & Atkinson, M. 1999. Flora of Cornwall. Wheal Seton Press, Camborne.