Sempervivum armenum

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Sempervivum armenum
Systematics
Family : Thick-leaf family (Crassulaceae)
Subfamily : Sempervivoideae
Tribe : Semperviveae
Genre : Hauswurzen ( Sempervivum )
Section : Sempervivum sect. Sempervivum
Type : Sempervivum armenum
Scientific name
Sempervivum armenum
Boiss. & A.Huet

Sempervivum armenum is a species of houseleek ( Sempervivum ) in the thick-leaf family(Crassulaceae).

description

Vegetative characteristics

Sempervivum armenum grows as a rosette plant with a diameter of 2 to 6 centimeters and forms only a few runners . The ovate-lanceolate to spatulate, bare leaves are green and have a dark purple tip. Young leaves are covered with a few scattered hairs that are strongly ciliate like a comb. The leaf blade is 10 to 30 millimeters long.

Generative characteristics

The flower shoots reach a length of 6 to 8 centimeters. It has glandular, downy-haired leaves. The 12 to 14-fold flowers have a diameter of 1.5 to 2 centimeters. Their sepals are pointed. The light yellow to greenish petals are a little purple near their base. The anthers are yellow, the stylus partially downy and upright Nektarschüppchen almost square. The follicles are completely downy-haired.

genetics

The number of chromosomes is .

Systematics and distribution

Sempervivum armenum is common in Turkey .

The first description by Pierre Edmond Boissier and Alfred Huet du Pavillon was published in 1856.

A distinction is made between the following varieties :

  • Sempervivum armenum var. Armenum
  • Sempervivum armenum var. Insigne Muirhead

proof

literature

  • Henk 't Hart, Bert Bleij, Ben Zonneveld: Sempervivum armenum . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN 3-8001-3998-7 , pp. 350 .

Individual evidence

  1. ^ Diagnoses Plantarum Orientalium novarum . 2nd episode, Volume 2, 1856, p. 60 ( online ).

Web links

  • Photos of Sempervivum armenum