Star clover
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Star clover ( Trifolium stellatum ) |
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The star clover ( Trifolium stellate ) is a plant from the genus clover ( Trifolium ) in the family of legumes (Fabaceae). It is placed within the genus in the Trifolium section , Stellata subsection .
features
The star clover is an annual plant that reaches heights of 5 to 30 centimeters. He is protruding silky hair. The stems are simple or branched from the bottom. The leaves are alternate, stalked and threefold. The stems are 2 to 8 inches long. The leaflets are 4 to 15 millimeters long, inverted-heart-shaped to wedge-shaped and serrated. The stipules are 5 to 15 millimeters long, egg-shaped, membranous and entire or toothed, the nerves are clearly recognizable. The flowers are 9 to 12 millimeters long and whitish to pink in color. They are arranged in 15 to 30 millimeters large, round to ovate, long-stalked, terminal heads. The calyx is about as long as the flower, narrowly bell-shaped, silk-haired and ten-nerved. The calyx teeth are long, pointed, narrow-lanceolate, three-veined and twice as long as the calyx tube. At first they are upright, at the fruiting time they stand out in a star shape. The pod contains only one seed and is covered by the calyx.
Flowering time is from March to July.
The number of chromosomes is 2n = 14.
Occurrence
The star clover occurs in the Mediterranean area , on the Canary Islands and eastwards to Persia on fields, wasteland and roadsides.
literature
- Ehrentraud Bayer, Karl-Peter Buttler , Xaver Finkenzeller, Jürke Grau: Plants of the Mediterranean (The Colored Nature Guide). Mosaik Verlag, Munich 1986. ISBN 3-570-01347-2
Individual evidence
- ^ Trifolium stellatum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
Web links
- Thomas Meyer, Michael Hassler: Mediterranean flora. [1]