LATEINISCHER NAMESempervivum juvanii
AUTORStrgar
SLOVENIAN NAMENJuvanov netresk
DEUTSCHEN NAMEN
GATTUNGSempervivum
FAMILIE (LATEIN)Crassulaceae
FAMILIE (SLOVENIAN)tolstičevke
ORDNUNG
KLASSE
STAMM
REICH
BLÜEZEITjuli - august
PRÄVALENZslovenski endemit (Donačka gora, Resenik)
ROTE LISTE
CITES
PFLANZEN WACHSEN IN (label) GARTEN TEIL
map
PFLANZEN BILD
Sempervivum juvanii
Sempervivum juvanii

In Slovenia, there are only two species of houseleek: common houseleek (Sempervivum tectorum) and Juvan's houseleek (S. juvanii), the latter found on Mount Donačka gora and Mount Resenik in the eastern part of the country. The habitat of Juvan's houseleek has been known since the first half of the 19th century, but it was given its present name and recognized as a species only in 1971, when it was described by Vinko Strgar PhD (1928-1992), the then director of the Ljubljana Botanic Garden. Before 1971, the houseleek found on Donačka gora and Resenik was considered to be Wulfen's houseleek (S. wulfenii), which grows in the Swiss, Italian and Austrian Alps. Only a more detailed and thorough examination revealed that the houseleek growing outside the Alpine area, in Slovenia's sub-Pannonian region, differs from the houseleek found in the Alps. Both Wulfen's and Juvan's houseleeks are yellow-flowered, but Juvan's houseleek's rosette leaves are hairy or even minutely glandular-hairy, while the leaves of Wulfen's houseleek are hairless. Juvan's houseleek was named after Franc Juvan (1875-1960), a gardener at the Ljubljana Botanic Garden from 1896 to 1960 and a great plant expert. Juvan began his career at the Garden at the time when its director was Alfonz Paulin. He became Paulin's assistant, a plant collector and a knowledgeable plant expert.
Text: J. Bavcon
SCHAUEN SIE AUCH:
Kalanchoe daigremontiana
Aeonium floribundum
Jovibarba heuffelii
Laserpitium latifolium
Cleistocactus tominensis
Festuca filiformis
 

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