Horizontal Venus navel

Horizontal Venus navel
	Horizontal Venus navel ( Umbilicus horizontalis )
Systematics
	Rosids
	Eurosiden II
Order :	Saxifragales (Saxifragales)
Family :	Thick-leaf family (Crassulaceae)
Genre :	Venus navel ( Umbilicus )
Type :	Horizontal Venus navel
Scientific name
	Horizontal umbilicus
	(Cast.) DC.

The Horizontal Venus Abel ( Umbilicus horizontalis ), also A horizontal umbilical herb called, is a plant from the genus of Venus Abel ( umbilicus ) within the family of Crassulaceae (Crassulaceae).

description

Foliage leaves

Habit, leaves and inflorescence

Vegetative characteristics

The horizontal Venus navel is a perennial herbaceous plant that is 10 to 50 centimeters high. The above-ground parts of the plant are bare. The basal leaves are fleshy, 2 to 5 centimeters wide, shield-shaped, navel-like sunk and notched at the stem base. The stem leaves become smaller towards the top.

Generative characteristics

The flowering period extends from May to June. Half of the stems are covered with more or less sessile flowers protruding horizontally from the stem .

The hermaphrodite flowers are five-fold with a double flower envelope . the crown is jug-shaped, 4 to 7 millimeters long, greenish-white, spotted with red or completely red. The corolla lobes are significantly shorter than the corolla tube.

The number of chromosomes is 2n = 48.

Occurrence

The horizontal navel of Venus i. e. S. ( Umbilicus horizontalis var. Horizontalis ) occurs in the Azores and in the Mediterranean area on Corsica , Sardinia , Sicily , Malta , in Italy , Croatia , Bosnia and Herzegovina , Montenegro , Albania , Bulgaria , Greece , on Crete , Cyprus , on the islands of the Aegean Sea, Egypt and the Sinai Peninsula . It thrives in shady crevices and on walls.

Systematics

It was first described in 1826 under the name ( Basionym ) Cotyledon horizontalis by Giovanni Gussone in Ind. Sem. Horto Boccad. , 1826, page 4. The new combination to Umbilicus horizontalis (cast.) DC. was published in 1828 by Augustin-Pyrame de Candolle in Prodromus systematis naturalis regni vegetabilis ... , Volume 3, page 400. Synonyms of Umbilicus horizontalis (cast.) DC. are Umbilicus vulgaris Bones and Cotyledon umbilicus-veneris subsp. horizontalis (cast.) Batt.

Some authors distinguish between two varieties:

Umbilicus horizontalis (cast.) DC. var. horizontalis
Umbilicus horizontalis var. Intermedius (Boiss.) Chamberlain . This variety is also called Umbilicus intermedius Boiss in its own right . viewed. It occurs in Turkey , Syria , Palestine , Iran and Egypt.

Individual evidence

↑ ^a ^b ^c Peter Schönfelder , Ingrid Schönfelder: The new cosmos Mediterranean flora. Franckh-Kosmos-Verlag Stuttgart 2008. ISBN 978-3-440-10742-3 , p. 186.
^ Umbilicus horizontalis at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
↑ ^a ^b ^c ^d Karol Marhold (2011): Crassulaceae. : Datasheet Umbilicus In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.

Web links

Commons : Horizontal Venus umbilicus ( Umbilicus horizontalis ) - Collection of images, videos and audio files

Thomas Meyer, Michael Hassler: Mediterranean flora. Data sheet with photos .

[Schönfelder2008-1] Peter Schönfelder , Ingrid Schönfelder: The new cosmos Mediterranean flora. Franckh-Kosmos-Verlag Stuttgart 2008. ISBN 978-3-440-10742-3 , p. 186.

[IPCN-2] Umbilicus horizontalis at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis

[Euro+Med-3] Karol Marhold (2011): Crassulaceae. : Datasheet Umbilicus In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.