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Species of succulent From Wikipedia, the free encyclopedia
Sempervivum arachnoideum, the cobweb house-leek,[1] is a species of flowering plant in the family Crassulaceae, native to European mountains, in the Alps, Apennines and Carpathians. Growing to 8 cm (3 in) tall by 30 cm (12 in) wide, it is a rosette-forming succulent perennial, valued in cultivation for its ability to colonise hot, dry areas via offsets.[2]
Sempervivum arachnoideum | |
---|---|
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Order: | Saxifragales |
Family: | Crassulaceae |
Genus: | Sempervivum |
Species: | S. arachnoideum |
Binomial name | |
Sempervivum arachnoideum | |
The specific epithet arachnoideum refers to its furry central rosettes (long ciliate leaf margins), resembling spider webs.[3]
It flowers in July, with pink flowers that are raised on stems and are hermaphroditic (having both male and female organs).
This plant,[4] and the subspecies Sempervivum arachnoideum subsp. tomentosum,[5] have gained the Royal Horticultural Society's Award of Garden Merit.[6]
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