Cerastium alpinum L.

Alpine chickweed (en), Céraiste des Alpes (fr)

Species

Angiosperms > Caryophyllales > Caryophyllaceae > Cerastium

Characteristics

Plants perennial, mat-forming, rhizomatous. Stems prostrate or ascending, tomentose (very rarely subglabrous), hairs white, trans-lucent, long, soft, flexuous, some usually also short and glandular; flowering shoots ascending, 5-20 cm; small axillary tufts of leaves usually absent; nonflowering shoots ± prostrate, to 6 cm. Leaves marcescent or not, sessile; blade obovate or ovate to elliptic-oblanceolate, elliptic, or lanceolate, usually 10-18 × 5-7 mm, apex obtuse, pubescence as on stems. Inflorescences open, (1-)2-4-flowered cymes; bracts lanceolate, acute, margins narrow, scarious, glandular-pubescent. Pedicels straight but often becoming angled at base and curved at apex, slender, 5-30 mm, often elongating to 3 or 4 times as long as sepals, pubescence usually dense, hairs both long, flexuous, multicellular, and short, glandular, viscid. Flowers: sepals green, often violet tipped, narrowly elliptic-lanceolate, 7.5-10 mm, margins ± narrow, apex acute to obtuse, densely pubescent, hairs both long, eglandular and short, glandular; petals 1-2 times as long as sepals, apex shallowly 2-fid; stamens 10; styles 5. Capsules cylindric, slightly curved, 12-16 mm, to 2 times as long as sepals; teeth 10, erect, margins convolute. Seeds dark brown, 1-1.4 mm diam., acutely tuberculate; testa not inflated. 2n = 72, 108.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread barochory
Mature width (meter) -
Mature height (meter) 0.1 - 0.2
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-9
Soil humidity 1-5
Soil texture 3-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 3-6

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 5 - 10
Germination temperacture (C°) 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -40
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Cerastium alpinum habit picture by Pascal Boez (cc-by-sa)
Cerastium alpinum habit picture by Daniel Barthelemy (cc-by-nc)
Cerastium alpinum habit picture by Chris Georges (cc-by-sa)

Leaf

Cerastium alpinum leaf picture by Marine Arnou (cc-by-sa)
Cerastium alpinum leaf picture by Chris Georges (cc-by-sa)
Cerastium alpinum leaf picture by fabienne trivero (cc-by-sa)

Flower

Cerastium alpinum flower picture by roberto (cc-by-sa)
Cerastium alpinum flower picture by Meyer Christian (cc-by-sa)
Cerastium alpinum flower picture by Pascal Boez (cc-by-sa)

Distribution

Cerastium alpinum world distribution map, present in Andorra, Austria, Bulgaria, Canada, Switzerland, Germany, Finland, France, United Kingdom of Great Britain and Northern Ireland, Greenland, India, Iceland, Italy, Liechtenstein, North Macedonia, Norway, Pakistan, Poland, Romania, Russian Federation, Slovakia, Sweden, Ukraine, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:302288-2
WFO ID wfo-0000595075
COL ID SK2M
BDTFX ID 15733
INPN ID 89960
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Cerastium alpinum f. pulvinata Alsine alpina Cerastium bombycinum Cerastium microphyllum Cerastium viscosissimum Cerastium hirsutum Cerastium laniferum Cerastium lanuginosum Cerastium rotundifolium Cerastium saxatile Cerastium atratum Cerastium acutifolium Cerastium alpinum var. aquaticum Cerastium alpinum subsp. aquaticum Cerastium alpinum subsp. babiogorense Cerastium alpinum var. sordidum Cerastium alpinum var. vestitum Cerastium alpinum var. glanduliferum Cerastium latifolium Cerastium arvense var. alpinum Cerastium alpinum subsp. alpinum Cerastium alpinum var. alpinum Cerastium alpinum

Lower taxons

Cerastium alpinum var. lanatum Cerastium alpinum var. nevadense