Marrubium alysson
| Marrubium alysson | ||||||||||||
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Marrubium alysson |
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| Marrubium alysson | ||||||||||||
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Marrubium alysson is a vegetable art from the genus horehound ( Marrubium ) in the family of Labiatae (Lamiaceae).
description
Marrubium alysson is a perennial , herbaceous plant that reaches heights of 40 cm. The stems are densely hairy, woolly and tomentose, unbranched or provided with ascending to upright, flower-bearing branches. The leaves are fan-shaped, long wedge-shaped at the base and strongly notched towards the tip. The leaf surface is covered with white woolly hairs, but the upper side is often bald.
The inflorescence consists of pseudo whorls with up to twelve flowers . Pre-leaves are missing or very small. The calyx-tube is 4.5 to 5.5 mm long, indistinctly ribbed and densely hairy woolly-felted. It ends in five calyx teeth; these are about 3 mm long, lanceolate, rise above the crown and are 1 to 1.5 mm wide at the base. When the fruit is ripe, they become stiff and stand out in a star shape. The crown is purple in color and hairy on the outside.
The flowering period extends from May to June.
The number of chromosomes is n = 13.
Occurrence
The species occurs in Europe in eastern Spain , Sardinia and Apulia . On the southern edge of the Mediterranean Sea, the distribution area includes all of North Africa , the Sinai Peninsula and Palestine .
It grows on sand, marl, gypsum and salt soils at roadsides and other ruderal areas.
Individual evidence
- ↑ a b c d Ramón Morales: Marrubium . In Santiago Castroviejo, Ramón Morales, A. Quintanar, F. Cabezas, AJ Pujadas & S. Cirujano (eds.): Flora Ibérica. Plantas Vasculares de la Península Ibérica e Islas Baleares. Vol. XII. Verbenaceae - Labiatae - Callitrichaceae . Real Jardín Botánico, CSIC, Madrid 2010, ISBN 978-84-00-09041-8 , p. 288-292 ( floraiberica.es [PDF]).
- ↑ J. Cullen: Marrubium L. In: TG Tutin, VH Heywood, NA Burges, DM Moore, DH Valentine, SM Walters, DA Webb (eds.): Flora Europaea . Volume 3: Diapensiaceae to Myoporaceae . Cambridge University Press, Cambridge 1972, ISBN 0-521-08489-X , pp. 138 (English, limited preview in Google Book search).
- ↑ a b Sandro Pignatti (Ed.): Flora d'Italia . Vol. 2. Edagricole, Bologna 2003, ISBN 88-506-2449-2 , pp. 449 (third unaltered reprint of the 1st edition from 1982).
- ↑ Werner Greuter, Hervé-Maurice Burdet, Guy Long (eds.): Med-Checklist. A critical inventory of vascular plants of the circum-Mediterranean countries . Vol. 3: Dicotyledones (Convolvulaceae - Labiatae) . Conservatoire et Jardin Botanique, Genève 1986, ISBN 2-8277-0153-7 , p. 292 . ( online .)
- ^ Edmond Boissier: Flora Orientalis. Vol. 4 (Coralliflorae & Monochlamydeae) . Basel / Genève 1879, p. 700 ( online )
- ↑ Naomi Feinbrun-Dothan (Ed.) Flora Palaestina. Part 3. Ericaceae to Compositae (Text and Plates). Academy of Sciences and Letters, Jerusalem, 1978, ISBN 965-208-003-9 , p. 112.
- ↑ Rafaël Govaerts (Ed.): Marrubium alysson. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved September 10, 2019.
Web links
- Carl von Linné: Species Plantarum 2, 1753, p. 582 (first description)