Cerastium tomentosum

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Cerastium tomentosum
Cerastium tomentosum.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Cerastium
Species:
C. tomentosum
Binomial name
Cerastium tomentosum
L.

Cerastium tomentosum (snow-in-summer) is an herbaceous flowering plant and a member of the family Caryophyllaceae. It is generally distinguished from other species of its genus by "tomentose" or felty foliage. It is a low, spreading perennial native to alpine regions of Europe. The stems & leaves are silvery-grey, whilst the flowers are star-like, white & about 15mm across. [1]

Contents

Description

Flower close-up Cerastium tomentosum flower.jpg
Flower close-up

It is an evergreen, creeping off-shoot, perennial, herbaceous plant that reaches heights of growth of 15 to 30 (rarely to 45) centimeters. It is overall densely hairy. The leaves are up to 30 millimetres long and linear to lanceolate, which are covered with silky, silvery, frizzy and entangled hairs, forming like whitish felting. The inflorescences consist of up to 15 flowers. The calyx is 5 to 7 millimetres long. The petals are white and twice as long as the calyx. The teeth of the capsule are slightly bent outwards. The flowering period is from May to July in the northern hemisphere, but may also bloom at other times of the year. [2]

Cultivation

It has proven popular as a cultivated ornamental and can be found in gardens the world over. It is a horticultural plant, perennial, rocky, forming dense silver carpets. This plant is not very demanding: it likes a poor soil, rich in gravel, well drained, in a sunny place. It spreads easily by its rhizomes. [3]

Range

It is native to southern Italy. It is believed to originate from the Caucasus and southeastern Europe. It has naturalised in Canada, the United States and France, where it is often subspontaneous. [4]

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References

  1. Eckhart J. Hunter, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler - Exkursionsflora of Germany. Volume 5: Herbaceous ornamental and useful plants . Spektrum Akademischer Verlag, Berlin Heidelberg 2008, ISBN   978-3-8274-0918-8 , p. 183 .
  2. Erich Oberdorfer : Plant sociology excursion flora for Germany and adjacent areas . 8th edition. Publisher Eugen Ulmer, Stuttgart 2001, ISBN   3-8001-3131-5. Page 378.
  3. Lambinon J. et al. , New flora of Belgium, G.-D. Luxembourg, Northern France and neighboring areas (Pteridophyta and Spermatophyta) , Meise, National Botanic Garden of Belgium, 6 th ed., 2012, 1195 p. ( ISBN   978-90-72619-88-4 )
  4. Jaakko Jalas (Editor), Juha Suominen (Editor), Atlas Florae Europaeae: Volume 3: Distribution of Vascular Plants in Europe , Cambridge University Press,1988