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Sempervivum hirtum L.
Cent. Pl. I. 12 1755.
Family: CRASSULACEAE

Accepted Scientific Name: Sempervivum globiferum subs. hirtum (L.) 't Hart & Bleij
Succulenta (Netherlands) 78: 40 1999

Sempervivum hirtum (Sempervivum globiferum subs. hirtum) Photo by: Diego Armentano

Synonyms:

See all synonyms of Sempervivum globiferum
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Accepted name in llifle Database:
Sempervivum globiferum L.
Sp. Pl. 464 1753
Synonymy: 9 Accepted name in llifle Database:
Sempervivum globiferum subs. allionii (Jord. & Fourr.) 't Hart & Bleij
Succulenta (Netherlands) 78: 40 1999
Synonymy: 7 Accepted name in llifle Database:
Sempervivum globiferum subs. arenarium (W.D.J.Koch) 't Hart & Bleij
Succulenta (Netherlands) 78: 40 1999
Synonymy: 9 Accepted name in llifle Database:
Sempervivum globiferum subs. hirtum (L.) 't Hart & Bleij
Succulenta (Netherlands) 78: 40 1999
Synonymy: 40
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Common Names include:
ENGLISH: Rough houseleek, Hairy orpine, Hairy House-leek, Common houseleek

Subspecies, varieties, forms and cultivars of plants belonging to the Sempervivum globiferum group

Sempervivum globiferum subs. hirtum has been known from the 16th. century having been described by Clusius, and collected by Joachim Burser (1583-1639) in the Radstadter Tauern Alps of Upper Styria. Sempervivum globiferum (syn: Jovibarba globifera) comprises four closely related subspecies, the nominate form (subs. globiferum), Sempervivum globiferum subs. allionii (sym: Jovibarba allionii), Sempervivum globiferum subs. arenarium (syn: Jovibarba arenaria) and Sempervivum globiferum subs. hirtum (syn: Jovibarba hirta). Previously, the epithet "globiferum" was used incorrectly for some species of the genus Sempervivum L. with yellow flowers. However, after unification of the above mentioned four species into one species the epithet "globiferum" has priority. [Jovibarba sobolifera (J. sims) Opiz is the synonym of J. globifera (L.) J. Parn subsp. globifera]. The epithets "soboliferum", "hirtum", "arenarium", and "allionii" have been used in various nomenclatural combinations, at different ranks within different species creating a taxonomic nightmare. The poor taxonomic distinction is supported by the occurrence of intermediate forms. A great amount of within-population variability is common in Sempervivum globiferum, especially in the contact zone of its different subspecies (e.g. West Carpathians).



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