Trifolium lupinaster
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Trifolium lupinaster is a species of the genus Klee ( Trifolium ).
description
Trifolium lupinaster is a perennial , herbaceous plant that reaches heights of between 15 and 50 centimeters. The stem is erect or ascending. It is bald or covered with a few curly hair . Several stems grow out of a cluster of thickened taproots. Branches are rare and can only be found near the tip.
The very short stalked leaves are closer in the upper part of the plant than at the base. The leaves are three or five-fingered in the lower part, but five-fingered in the uppermost part. The individual feathers are between 1 and 4 inches long and 0.3 to 1.1 inches wide. The leaflets are linear or elliptical with a pointed or rounded tip on which a single point can be seen. The upper side of the leaf is glabrous, the underside hairy along the leaf veins. The paper-like stipules are between 5 and 10 millimeters long and lanceolate to oblong. Most of it is pressed tightly against the stems and petioles and grown together there. The free part has a slender tip but is rounded at the base of the leaves.
The axillary or terminal inflorescences on 3 to 5 centimeters long inflorescence axes are umbrella-like to spherical, have a diameter of 1.5 to 3 centimeters and contain ten to 30 flowers .
The hermaphrodite butterfly flowers are zygomorphic and 11 to 17 millimeters long. The chalice is 6 to 9 millimeters long. It is tubular and ten-nerved in the lower 3 millimeters. The calyx teeth are almost the same and hairy. The flag of the pink-purple crown is 1 to 1.5 centimeters long. The wings are about 1 centimeter long, the shuttle a little shorter.
The legumes are 5 to 6 millimeters long. They are three to six seeds and elongated. The skin-like legumes have thickened edges. The spherical, rough and gray seeds measure between 1.1 and 1.5 millimeters in diameter.
The number of chromosomes is 2n = 16. However, polyploid specimens with 2n = 32, 40 or 48 chromosomes were also found.
distribution
The distribution area of Trifolium lupinaster extends from Eastern Europe (beginning in Poland, the Czech Republic and Romania) to the Far East of Russia (there this species can also be found on Sakhalin ), as well as in Mongolia , North Korea and North China .
Trifolium lupinaster grows in steppes and coniferous forests almost into the alpine zone .
Systematics
Trifolium lupinaster it belongs to the subsection Lupinaster in the section Lotoidea from the genus Klee ( Trifolium ) in the subfamily of the butterflies (Faboideae) within the family of the legumes (Fabaceae).
literature
- Michael Zohary, David Heller: The Genus Trifolium . The Israel Academy of Sciences and Humanities , Jerusalem 1984, ISBN 978-965-208-056-1 , pp. 84 f .
- John M. Gillett, Norman L. Taylor, M. Gillett: The World of Clovers . Iowa State University Press , Ames 2001, ISBN 978-0-8138-2986-9 , pp. 218 f .
Individual evidence
- ^ Trifolium lupinaster at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis