Hypericum pulchrum

Tracheophyta MagnoliopsidaClusiaceaeHypericumHypericum pulchrum

Ecology

A perennial herb of heaths and open woods on non-calcareous, fairly dry, sandy, peaty, or leached soils. Reproduction is by seed, and budding from the roots sometimes occurs. A dwarf form with prostrate to procumbent stems (var. procumbens) occurs in exposed habitats in N. and W. Scotland and in islands off W. Ireland. 0-820 m (Breadalbanes, Mid Perth).

Status

Native

World Distribution

Suboceanic Temperate element.

Broad Habitats

Light (Ellenberg): 6

Moisture (Ellenberg): 5

Reaction (Ellenberg): 4

Nitrogen (Ellenberg): 3

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.5

July Mean Temperature (Celsius): 14.3

Annual Precipitation (mm): 1148

Life form information

Height (cm): 60

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 2427

Count of 10km squares in Ireland: 887

Count of 10km squares in the Channel Isles: 9

Atlas Change Index: -0.32

Weighted Changed Factor: -2

Weighted Change Factor Confidence (90%)

16

Distribution information

JNCC Designations

NBNSYS0000002966

PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (59b)
Studies on the plant-geography of the North-Atlantic heath-formation I. The heaths of the Faroes,
Böcher, T. W.
, Kongelige Danske Videnskabernes Selskabs, Volume Biologiske Meddelelser, 15(3), p.1-64, (1940)

La flore atlantique européenne. Documents pour les cartes des productions végétales serie Europe-Atlantique, vol. 1,
Dupont, P.
, Toulouse, (1962)

Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols,
Hultén, E., and Fries M.
, Königstein, (1986)

Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols,
Meusel, H., Jäger E., Rauschert S., and Weinert E.
, Jena, (1978)