Erica tetralix

Source: Wikipedia, the free encyclopedia.

Erica tetralix
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Genus: Erica
Species:
E. tetralix
Binomial name
Erica tetralix

Erica tetralix, the cross-leaved heath, is a species of flowering plant in the family Ericaceae, native to western Europe.

Description

It is a

leaves in whorls of four (whence the name). Appearing in summer and autumn, small pink bell-shaped flowers
droop in compact clusters at the ends of the shoots.

Similar species

Related species

Taxonomy

The sticky, adhesive glands on leaves, sepals and other parts of the plant prompted Charles Darwin to suggest that this species might be a protocarnivorous plant, but little, if any, research has been done on this.[2]

Distribution and habitat

E. tetralix is native to western Europe from southern Portugal to central Norway, as well as a number of boggy regions further from the coast in Central Europe such as Austria and Switzerland. It has also been introduced to parts of North America.

E. tetralix can become a dominant part of the flora in bogs, wet heaths, and damp coniferous woodland.[3]

Ecology

A species of Trialeurodes whitefly discovered in 1971 was named T. ericae for the plant, due to its frequent association with it.[4]

Cultivation

In cultivation, like other heathers, E. tetralix requires an

acidic soil, as it is a calcifuge. Numerous cultivars have been developed for garden use, of which E. tetralix f. alba 'Alba Mollis'[5] (a white-flowered variety) and E. tetralix f. stellata 'Pink Star'[6] have gained the Royal Horticultural Society's Award of Garden Merit.[7]

References

  1. Clive Stace
    (2010) New Flora of the British Isles, 3rd edition. Cambridge University Press.
  2. . London: J. Murray.
  3. ^ http://linnaeus.nrm.se/flora/di/erica/erica/erictetv.jpg. Archived 2005-11-22 at the Wayback Machine[bare URL image file]
  4. ^ Bink-Moenen, Rosita M. (1976). "A new whitefly of Eric tetralix". Entomologische Berichten. Vol. 36. Amsterdam. p. 17.{{cite book}}: CS1 maint: location missing publisher (link)
  5. ^ "Erica tetralix f. alba 'Alba Mollis'". Royal Horticultural Society. Retrieved 8 June 2020.
  6. ^ "Erica tetralix f. stellata 'Pink Star'". RHS. Retrieved 8 June 2020.
  7. ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 36. Retrieved 6 February 2018.

External links