Sempervivum arachnoideum L.

Joubarbe-araignée (fr), Joubarbe toile-d'araignée (fr), Joubarbe à toiles d'araignée (fr)

Species

Angiosperms > Saxifragales > Crassulaceae > Sempervivum

Characteristics

A perennial hermaphrodite evergreen herb. It grows 0.075-0.1m high.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread barochory
Mature width (meter) 0.13 - 0.33
Mature height (meter) 0.08 - 0.1
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway cam

Environment

Amongst rocks and stones in the cooler regions of Europe, usually on siliceous soils.
Light 7-9
Soil humidity 2-7
Soil texture 3-8
Soil acidity 1-7
Soil nutriment -
Hardiness (USDA) 5-7

Usage

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

Cultivation

Can be grown by cuttings, divisions or seedlings.
Mode cuttings divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Sempervivum arachnoideum habit picture by Laurent Ledante (cc-by-sa)
Sempervivum arachnoideum habit picture by Dieter Albrecht (cc-by-sa)
Sempervivum arachnoideum habit picture by Nathalie Potel (cc-by-sa)

Leaf

Sempervivum arachnoideum leaf picture by Frank Reiser (cc-by-sa)
Sempervivum arachnoideum leaf picture by Kṣemarāja (cc-by-sa)
Sempervivum arachnoideum leaf picture by manchego anil (cc-by-sa)

Flower

Sempervivum arachnoideum flower picture by lucia (cc-by-sa)
Sempervivum arachnoideum flower picture by André ĹABETAA (cc-by-sa)
Sempervivum arachnoideum flower picture by Fengbao Shen (cc-by-sa)

Fruit

Sempervivum arachnoideum fruit picture by Yoan MARTIN (cc-by-sa)
Sempervivum arachnoideum fruit picture by Yoan MARTIN (cc-by-sa)

Distribution

Sempervivum arachnoideum world distribution map, present in France

Identifiers

LSID urn:lsid:ipni.org:names:276315-1
WFO ID wfo-0000441267
COL ID 4WHRZ
BDTFX ID 62574
INPN ID 122419
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Sedum arachnoideum Sempervivum doellianum Sempervivum sanguineum Sempervivum moggridgei Sempervivum heterotrichum Sempervivum arachnoideum

Lower taxons

Sempervivum arachnoideum subsp. tomentosum