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.

Hypericum perforatum - Perforate St John's-wort

Perforate St. John's-wort is quite frequent in Cornwall, often growing in dry places with sandy or stony soils that are base-rich. It grows on low banks and walls, on sunny slopes that are freely drained, on waste ground, mine waste, in the gravels by railways, in quarries and occasionally at the edge of dry scrub. It is absent from the Isles of Scilly.

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.