Anemone trifolia

Anemone trifolia
Anemone trifolia
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Order:Ranunculales
Family:Ranunculaceae
Genus:Anemone
Species: A. trifolia
Binomial name
Anemone trifolia
Synonyms
  • Anemone quinquefolia var. lancifolia (Pursh) Fosberg

Anemone trifolia, the three-leaved anemone, is a perennial herbaceous plant in the genus Anemone (Ranunculaceae).

Description

The plant has stems growing 10–30 cm tall and bear single, white (rarely pale pink or pale bluish) flowers two centimetres in diameter, with five to nine (most often six) elliptical tepals. The fruit is a cluster of 2 mm achenes. Its leaves are divided into three lanceolate leaflets and form a single whorl of three leaves per stem; the leaflets have a toothed but not lobed margin. The rhizome, found directly below surface is whitish, and tends to form dense clonal colonies.[1][2][3] In subsp. albida, the achenes are pendulous.[2] The species differs from A. nemorosa in its white or pale blue anthers (unlike the yellow anthers of A. nemorosa) and simple lanceolate leaflets lacking the deep lobing of A. nemorosa.[1] The flowering period extends from April through June.

Flower of Anemone trifolia
Close-up on Anemone trifolia
Flower of Anemone trifolia
Plants of Anemone trifolia
Leaves of Anemone trifolia

Distribution

This plant is very similar to A. nemorosa, but has a more restricted range in southern and central Europe, from Portugal and Spain east to Hungary, and locally north to Finland, where one small population occurs.[4]

Habitat

It occurs in hardwood forests and rocky sites up to 1860 metres altitude.[1]

Subspecies

The Portuguese and Spanish populations are distinguished as Anemone trifolia subsp. albida, with the remaining populations being A. t. subsp. trifolia.[4]

References

  1. 1 2 3 Huxley, A. (1967). Mountain Flowers. Blandford Press, London.
  2. 1 2 The New RHS Dictionary of Gardening 1: 172.
  3. ↑ Biodiversity in Galicia: Anemone trifolia subsp. albida Archived July 25, 2011, at the Wayback Machine.
  4. 1 2 Flora Europaea: Anemone trifolia


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