Cobweb houseleek

Sempervivum arachnoideum

  • Cobweb houseleek
  • Cobweb houseleek
  • Cobweb houseleek
  • Cobweb houseleek
  • Flower name
    Cobweb houseleek
  • Scientific name
    Sempervivum arachnoideum
  • Alias巻絹, Cobweb houseleek, Spider houseleek, クモノスバンダイソウ, 蜘蛛巣万代草, キヌマキソウ, センペルビヴム アラクノイデウム, Makiginu
  • Place of originAlps
  • Place of floweringHigh mountain
  • Flowering seasonJune, July, August

What is Cobweb houseleek

Cobweb houseleek (scientific name:Sempervivum arachnoideum) is native to Alpine of the evergreen succulent plant of the crassulaceae family. Form a basal rosette leaves out harsh weather to cope with from the leaf covered central points in a spider like white fluff. Give pink flower stalk in summer, extends from the top of the inflorescence.

Common name: Cobweb houseleek,
Scientific name:Sempervivum arachnoideum
also known as: Spider houseleek,
Origin: Alps, Habitat: Alpine, living environment: Rocky, life-forms: of the succulent perennial plant,
Grass height: 15 cm, stem: no, no, Rather than forming rosettes, rosette-like white-haired leaves: Spider covered forming a basal rosette long: 3 cm, leaf color: light green with leaf tip red, leaf-quality: fleshy, leaf shape: oval-fall lanceolate, asymmetric flower, leaf: all edge, scape length: 5-10 cm, flower-shaped corymb inflorescence / collectors, flowering: from June August, flower color: pink, size: 1-2 cm,: petals five, planted type of place with a small star: lanceolate, flowers: shoot apical meristems, fruit: bag fruit, uses: ornamental plants, potted, alley, botanical gardens, rock gardens


  • Order
    Saxifragales
  • Family
    Crassulaceae
  • Genus
    Sempervivum
  • Species
    S. arachnoideum
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Cluster inflorescence
  • Petal shape
    Five-petal
  • Leaf type
    ovoid
  • Edge of the leaf
    Entire
  • Life typeOf the high alpine of the succulent perennial plant
  • Flower colorsPink
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height5.0 ~ 10.0 cm
  • Diameter of flower1.0 ~ 2.0 cm

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