Crete Comfrey
Crete Comfrey | ||||||||||||
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Cretan comfrey ( Symphytum creticum ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Symphytum creticum | ||||||||||||
(Willd.) Greut. & Rech.f. |
The Crete Comfrey ( Symphytum creticum ) is a species of the genus Comfrey ( Symphytum ) within the family of the predatory plants (Boraginaceae).
description
Vegetative characteristics
The Crete comfrey is a perennial herbaceous plant that reaches heights of 10 to 50 centimeters. The leaves are short-stalked, egg-shaped, bristly, the upper ones sitting and sloping and covered with short and long hooked and straight hair.
Generative characteristics
The flowering period is between March and May. Many flowers are arranged in zymous inflorescences .
The hermaphrodite flowers are five-fold with a double flower envelope . The five 4.5 to 8 millimeter long sepals are fused to one fifth or half of their length. The hairy calyx tips are pointed. The five blue-violet or white petals are fused into a corolla tube with long, upright pharyngeal scales. The five long and linear, spreading and bent back at the upper end, but not spiraling, are longer than the corolla tube. The stamens are 9 to 14 millimeters long and enclosed, but appear protruding, their anthers are 1.5 to 3.5 millimeters long. The longer stylus with minimal scar is protruding.
There are Klausen formed.
Occurrence
The Crete comfrey occurs only in southern Greece and in Crete . It grows in crevices and ravines.
Taxonomy
The first publication took place in 1798 under the name ( Basionym ) Borago cretica by Carl Ludwig Willdenow under the in Species Plantarum , 1, page 778. The new combination to Symphytum creticum (Willd.) Greuter & Rech.f. was established in 1967 by Werner Greuter and Karl Heinz Rechinger in Flora of the island of Kythera, at the same time the beginning of a nomenclature review of Greek vascular plant species. published in Boissiera , Volume 13, page 100. Synonyms of Symphytum creticum (Willd.) Greuter & Rech.f. are: Procopiania cretica (Willd.) Guşul. , Psilostemon creticus (Willd.) DC. , Trachystemon creticus (Willd.) G.Don .
Individual evidence
- ↑ a b c d B. Pawlowski: Procopiana Guşuleac. , P. 105. In: Flora Europaea. Volume 3: Diapensiaceae to Myoporaceae. 1972, ISBN 0-521-08489-X , p. 103 f, limited preview in the Google book search.
- ^ A b Peter Schönfelder , Ingrid Schönfelder: The new cosmos Mediterranean flora. Franckh Kosmos Verlag Stuttgart 2008, ISBN 978-3-440-10742-3 , p. 144.
- ↑ a b Benito Valdés, 2011: Boraginaceae. : Data sheet Symphytum creticum In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity .
Web links
- Thomas Meyer, Michael Hassler: Mediterranean and Alpine flora : data sheet with photos .