Sempervivum transcaucasicum

Sempervivum transcaucasicum
	Sempervivum transcaucasicum
Systematics
Family :	Thick-leaf family (Crassulaceae)
Subfamily :	Sempervivoideae
Tribe :	Semperviveae
Genre :	Hauswurzen ( Sempervivum )
Section :	Sempervivum sect. Sempervivum
Type :	Sempervivum transcaucasicum
Scientific name
	Sempervivum transcaucasicum
	Muirhead

Sempervivum transcaucasicum is a species of houseleek ( Sempervivum ) in the thick-leaf family(Crassulaceae). The specific epithet transcaucasicum refers to the occurrence of the species in Transcaucasia .

description

Vegetative characteristics

Sempervivum transcaucasicum grows as a rosette plant with a diameter of 3 to 4 centimeters and forms only a few runners . The obscure to obovate, yellowish green, short glandular, downy-haired leaves have an abruptly attached tip. The leaf blade is 15 to 20 millimeters long and about 10 millimeters wide.

Generative characteristics

The inflorescence is zymous . The 11 to 13-fold flowers have a diameter of about 2.5 centimeters. Their ovate-lanceolate, pointed petals are 2 to 2.5 millimeters long. The lanceolate, light yellow sepals are lavender-colored at their base. They are 8 to 10 millimeters long and 2 millimeters wide. The stamens are bright purple, the anthers are yellow. The rectangular nectar flakes are curved upwards.

Systematics and distribution

Sempervivum transcaucasicum is common in northeastern Turkey and Georgia on solidification rock at altitudes of 550 to 2700 meters.

The first description by Clara Winsome Muirhead was published in 1965.

proof

literature

Henk 't Hart, Bert Bleij, Ben Zonneveld: Sempervivum transcaucasicum . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 365 .

Individual evidence

↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 242.
^ Notes from the Royal Botanic Garden, Edinburgh . Volume 26, 1965, pp. 284-285.

Web links

Commons : Sempervivum transcaucasicum - collection of images, videos and audio files

Photos of Sempervivum transcaucasicum

[1] Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 242.

[2] Notes from the Royal Botanic Garden, Edinburgh . Volume 26, 1965, pp. 284-285.