Sempervivum arachnoideum
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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 Script error: No such module "convert". tall by Script error: No such module "convert". wide, it is a rosette-forming succulent perennial, valued in cultivation for its ability to colonise hot, dry areas via offsets.[2]
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]
References
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S. arachnoideum flower
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Another flower
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Characteristic "spider web" on rosettes
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