Hypericum pulchrum

Hypericum pulchrum is a flowering plant in the family Hypericaceae, commonly known as slender St John's-wort.[1] It is native to Western Europe.

Hypericum pulchrum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: H. sect. Taeniocarpium
Species:
H. pulchrum
Binomial name
Hypericum pulchrum

Description

Hypericum pulchrum is a dainty, rhizomatous perennial plant growing nine to eighteen inches high. It has erect smooth stems without ridges or wings. It has a few opposite pairs of untoothed, heart-shaped leaves that half clasp the stem. They are dotted with transparent spots and often have inrolled margins. The terminal inflorescence has rich yellow flowers. Each of these has five small, broad, blunt sepals with black dots on the margins. The five petals are red beneath and have red and black dots on the margins. There are three styles and many stamens with orange anthers in three bundles. The fruit is a dehiscent capsule.[2][3]

Habitat

Hypericum pulchrum is a calcifuge, found in heathy places, dry moorlands, among rocks in upland regions and on road verges on non-calcareous soils.[4][3][5]

Distribution

Hypericum pulchrum is found growing in Austria, Belgium, Britain, Czech Republic, Slovakia, Denmark, Finland, France, Germany, Ireland, Italy, Netherlands, Norway, Poland, Portugal, Spain, Sweden and Switzerland.[6] It is found in suitable habitats throughout the United Kingdom.[5] It has been introduced to New Zealand where it has spread across the South Island and the southern part of the North Island.[7]

References
  1. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  2. McKlintock, D. and R. S. R. Fitter. The Pocket Guide to Wild Flowers. (1956) Collins, London. P28.
  3. Slender St John's Wort West Highland Flora. Retrieved 2011-09-14.
  4. "Online Atlas of the British and Irish Flora: Hypericum pulchrum". Botanical Society of Britain and Ireland. Retrieved 14 May 2018.
  5. Hypericum pulchrum: Slender St. John's-wort British wild flowers. Retrieved 2011-09-14.
  6. Hypericum pulchrum Flora Europaea. Retrieved 2009-09-15.
  7. Hypericum pulchrum L. Flora of New Zealand. Retrieved 2011-09-14.
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