Verbena Sage
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Verbena Sage ( Salvia verbenaca ) |
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| Salvia verbenaca | ||||||||||||
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The verbena sage ( Salvia verbenaca ) is a plant from the genus sage ( Salvia ) in the family of Labiatae (Lamiaceae). The species is very rich in shape.
description
Vegetative characteristics
The verbena sage is a perennial herbaceous plant that reaches heights of 10 to 80 centimeters. It is only more or less hairy on the top . The stem is erect and simple or branched. The leaves are dirty green and wrinkled on top. The lower leaves are arranged in a basal rosette , long-stalked, oblong to ovate, more or less lobed to pinnate , roughly notched and measure 5 to 10 × 2 to 4 centimeters. The stem leaves are opposite and more or less sessile.
Generative characteristics
The loose or dense, often branched, terminal and spiky inflorescence consists of four to ten-flowered pseudo whorls . The bracts are green, egg-shaped, pointed and have a length of 6 millimeters. The hermaphrodite flowers are zygomorphic and five-fold with a double flower envelope . The calyx is hairy white and 8 to 10 millimeters long. The crown is two-lipped, violet, rarely bluish or pink in color and has a length of 6 to 15 millimeters. Sometimes it stays closed. The upper lip is more or less straight and hairy on the outside. The lower lip is three-lobed. There are two stamens .
The flowering time is all year round.
Chromosome number
The number of chromosomes is 2n = 42, 54, 59, 60 or 64.
ecology
In addition to flowers that are pollinated by bumblebees , verbena sage forms smaller flowers in autumn that regularly pollinate themselves.
Occurrence
The verbena sage is widespread in Macaronesia, in the Mediterranean region to the Caucasus and in Western Europe. It occurs very rarely at the southern foot of the Alps . It is a neophyte in Central Europe as well as in North and South America.
Verbena sage occurs in dry meadows and on fallow land . It thrives best on dry, rocky, loose, clay soils and in warm climates .
supporting documents
- Ehrentraud Bayer, Karl Peter Buttler, Xaver Finkenzeller, Jürke Grau: Plants of the Mediterranean (= Steinbach's natural guide . Volume 17 ). Mosaik, Munich 1987, ISBN 3-570-01347-2 .
Individual evidence
- ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . With the collaboration of Angelika Schwabe and Theo Müller. 8th, heavily revised and expanded edition. Eugen Ulmer, Stuttgart (Hohenheim) 2001, ISBN 3-8001-3131-5 , pp. 810 .
- ↑ a b c Dietmar Aichele, Heinz-Werner Schwegler: The flowering plants of Central Europe . 2nd Edition. Volumes 1-5. Franckh-Kosmos, Stuttgart 2000, ISBN 3-440-08048-X .
- ↑ a b Rafaël Govaerts (ed.): Salvia verbenaca. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 22, 2016.
Web links
- Salvia verbenaca L. In: Info Flora , the national data and information center for Swiss flora . Retrieved February 22, 2016.
- Thomas Meyer: Sage data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )