Sorbus mougeotii
Vosges Whitebeam (Sorbus mougeotii )
Called the Vosges Whitebeam (Sorbus mougeotii ), also mountain Whitebeam Mougeots Whitebeam Mougeots rowan, Alpenoxel and Mougeots Oxelbirne, is a species of the genus of haws (Sorbus ) in the rose family ( Rosaceae ). Within the haws it belongs to the Sorbus mougeotii group.
Features
The Vosges Whitebeam is a shrub or a tree (rarely to 20) is up to 12 meters high. Twigs and buds are bald compared to Sorbus aria. The leaves are 3.5 to 5.5 inches long and 6 to 10 inches wide. It is 1.8 to 2 times as long as wide. Front the leaves are usually pointed, her reason, however, is wedge-shaped. On short shoots, the leaves are cut to about 1/8 of the leaf blade. The first-order teeth are in the middle of the leaf blade at its greatest and reach here a length of 4 to 6 mm, in the direction of the tip and the reason they are smaller. Your outline is broadly rounded. Usually less than 1 mm long, the second-order teeth. There are 8-10 pairs of lateral veins present. The lower leaf surface has a loose, gray - white felt-like hairs. The petioles have a length of 10 to 15 ( rarely to 20 ) mm.
The flowers are arranged in more or less dense, easy - to dichtfilzigen, ebensträußigen Doldenrispen. The chalice cup and the sepals are lockerfilzig and verkahlen later. At the time the fruit sepals together are conical and erect. The eirundlichen petals are white, hardly nailed and 5-6, rarely to 7 millimeters long. The 2 or 3 pen are free.
The edible fruits are usually trilocular, 10 to 13 millimeters long, only a little more than 10 millimeters thick, plump and red. The color remains present even after drying. There are only a few small lenticels present.
The chromosome number is 2n = 4x = 68 There are also 3x Cytotypen. The species propagates apomictically.
The flowering period extends from May to June.
Occurrence
The species occurs in the Pyrenees, in the higher elevations of Provence, in the French and Swiss Jura, the Swiss Plateau and the Swiss Alps before. To the east, the way can be found to Vorarlberg, in the northeast it reaches the southern Baden- Württemberg, in the south of the Aosta Valley. Overall, the area is not known for sure, often the Vosges Whitebeam was ignored or not sufficiently distinguished from the Austrian Whitebeam.
Etymology
Sorbus mougeotii was named after the Alsatian physician, florists and Bryologen Jean Baptiste Mougeot ( 1776-1858 ).
Documents
- Herfried Kutzelnigg: Sorbus. In: Hans. J. et al Conert (Ed.): Gustav Hegi. Illustrated Flora of Central Europe. Volume 4 Part 2B: Spermatophyta: Angiospermae: Dicotyledones 2 (3). Rosaceae 2 Blackwell 1995, ISBN 3-8263-2533-8, pp. 379-381.