Cat's head sun rose

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Cat's head sun rose
Cat's head sun rose (Helianthemum caput-felis)

Cat's head sun rose ( Helianthemum caput-felis )

Systematics
Rosids
Eurosiden II
Order : Mallow-like (Malvales)
Family : Rockrose family (Cistaceae)
Genre : Sun rose ( Helianthemum )
Type : Cat's head sun rose
Scientific name
Helianthemum caput-felis
Boiss.

The cat's head sun rose ( Helianthemum caput-felis ) is a species of plant from the genus Sun rose ( Helianthemum ) within the family of the rockrose plants (Cistaceae).

description

blossom

Vegetative characteristics

The cat's head sun rose is a subshrub that reaches heights of 10 to 40 centimeters. The above-ground parts of the plant are hairy gray-white-felty ( indument ).

The simple leaves are arranged opposite each other and have short stems. The small, simple, relatively thick and slightly fleshy leaf blade is elliptical or egg-shaped with a length of 6 to 15 millimeters and a width of 2 to 10 millimeters. It is curled up sideways and covered with felty star hairs ( trichomes ) on both sides .

Generative characteristics

The flowering period extends from March to April. The stalked flowers are arranged in compact, zymous inflorescences.

The hermaphroditic flowers are radial symmetry and five-fold with a double flower envelope . The sepals , in two unequal circles, are hairy long protruding. This creates the appearance of a small cat's head in the bud. The yellow petals are 9 to 12 millimeters long.

The number of chromosomes is 2n = 24.

Occurrence

The cat's head sun rose is found in Morocco , Algeria , Spain , Mallorca and Sardinia . It thrives on coastal rocks and in sparse forests over limestone .

Taxonomy

The first description of Helianthemum caput-felis was made in 1838 by Pierre Edmond Boissier in Elenchus plantarum novarum ... , page 16. The specific epithet caput-felis is from the Latin words caput for "head" and felis derived for "cat", meaning "head the cat ”.

Individual evidence

  1. ^ A b Peter Schönfelder , Ingrid Schönfelder: The new cosmos Mediterranean flora. Franckh Kosmos Verlag Stuttgart 2008. ISBN 978-3-440-10742-3 . P. 180.
  2. Helianthemum caput-felis at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis.
  3. a b E. von Raab-Straube (2018): Cistaceae. Datasheet Helianthemum caput-felis - In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity .

Web links

Commons : Cat's Head Sunflower ( Helianthemum caput-felis )  - Collection of images, videos and audio files