Small fruity cranberries

from Wikipedia, the free encyclopedia
Small fruity cranberries
Vaccinium microcarpum 'Pilgrim' kz02.jpg

Small fruited cranberries ( Vaccinium microcarpum )

Systematics
Asterids
Order : Heather-like (Ericales)
Family : Heather family (Ericaceae)
Genre : Blueberries ( vaccinium )
Subgenus : Cranberries ( Oxycoccus )
Type : Small fruity cranberries
Scientific name
Vaccinium microcarpum
( Turcz. Ex Rupr. ) Schmalh.

The small-fruited cranberry ( Vaccinium microcarpum , syn .: Oxycoccus microcarpus ) is a species of blueberry ( Vaccinium ) in the heather family (Ericaceae). In contrast to the closely related common cranberry ( Vaccinium oxycoccos ) it not only has smaller fruits, but also shorter stems, smaller leaves and less hairy, almost bare flower stalks with fewer flowers.

description

Vegetative characteristics

The small-fruited cranberry grows as a perennial, evergreen dwarf shrub that usually reaches heights of around 5 centimeters. Its limp and finely veined shoots reach lengths of 10 to 30 centimeters. The bark is sparsely covered with fine hair.

The alternate arranged on the branches leaves are divided into a petiole and leaf blade. The petiole is short. The simple, leathery leaf blade has a length of 0.2 to 0.6 centimeters and a width of 0.1 and 0.25 centimeters triangular-egg-shaped, with the widest part of the blade just in front of the blade base. The top of the leaf blade is glossy dark green in color, while the underside is lighter in color. The spider tip is pointed and the rolled back edge of the spider is entire.

Generative characteristics

The flowering period extends from May to July. The mostly terminal, racemose inflorescences usually contain one, more rarely two stalked single flowers. The long flower stalks are erect and mostly hairless.

The hermaphrodite flowers are radial symmetry and four or fünfzählig double perianth (perianth). The four bare sepals are only fused at their base. The four or five, red to dark pink to light red petals are tubularly fused together. The deeply incised and backward curved corolla lobes are approximately 0.4 centimeters wide. There are four or eight stamens that usually do not rise above the crown. The stamens hairy in the upper part are straight and flat. Several carpels have become an ovary grown. There are many ovules .

Juicy berries are formed as the fruit, with a length of 0.5 to 0.8 centimeters from oblong-spherical to elliptical or lemon-like to pear-shaped. The fruits are colored dark red when ripe. They taste sour, but become sweeter after a frost.

Chromosome number

The number of chromosomes is 2n = 24.

Distribution and occurrence

The natural range of the small fruited cranberries is boreal- circumpolar. In Europe, it stretches from Scandinavia and the British Isles in the north to the Alps and Carpathians in the south. In North America, the range extends from the Rocky Mountains to British Columbia and Alberta . There are also occurrences in northern Asia.

The small-fruited cranberry grows preferentially in slightly drier locations on bog soils or in swamp forests . It occurs in societies of the order Spganetalia magellanici, in north-eastern Europe in those of the Oxycocco-Empetrion association.

Web links

Commons : Small fruited cranberry ( Vaccinium microcarpum )  - Collection of images, videos and audio files

Individual evidence

  1. a b c d e f NatureGate: Small fruited cranberries, Vaccinium microcarpum. Retrieved January 19, 2017 .
  2. a b c d e f Anne-Laure Jacquemart: Vaccinium oxycoccos L. (Oxycoccus palustris Pers.) And Vaccinium microcarpum (Turcz. Ex Rupr.) Schmalh. (Oxycoccus microcarpus Turcz. Ex Rupr.) . In: Journal of Ecology . tape 85 , no. 3 , 1997, p. 381-396 , doi : 10.2307 / 2960511 .
  3. ^ Vaccinium microcarpum (Rupr.) Schmalh. In: Info Flora , the national data and information center for Swiss flora . Retrieved January 19, 2017.
  4. a b 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.  733 .