Amelanchier alnifolia
Leaves and fruits
The Erlenblättrige Amelanchier or alder Juneberry ( Amelanchier alnifolia ) belongs to the pome fruit crops ( Pyrinae ) in the rose family ( Rosaceae ). She has 2-5 inches long leaf blades rounded to truncated tip. The flowers are creamy white and grow in clusters of five to 15. The fruits are purple- black when ripe and frosted. The natural range is in North America. The species is used in different varieties as an ornamental and fruit-bearing shrub.
Description
The Erlenblättrige Amelanchier is a 2 to 4 feet high, much stockier, stiffly upright and deciduous shrub with gray to reddish brown Stammborke. It forms short runners. The shoots are initially hairy weichfilzig, verkahlen soon and then reddish brown. The leaves are arranged opposite one another, as with all rock pears. The petiole is 0.5 to 2 inches long. The leaf blade is rounded to broadly elliptic, 2-5 inches long, rounded to truncate more or less, at least for the blade tip regularly roughly serrated leaf edge. The lower leaf surface is initially tomentose, more or less the heyday bald later blue-green and hairless. There shall be eight to 13 thick and parallel and standing up in the leaf teeth extending leaf veins.
The 1.5 to 2 centimeters in diameter blooms are five to 15 in 2 to 8 inches long, upright and dense clusters. The flower cups is 1 to 2 millimeters long. The calyx is five- lobed, calyx lobes lanceolate - triangular, 1-5 mm long. The five petals are linear to lanceolate, 6-16 mm long and creamy white. There shall be 20 stamens. The ovary is inferior, glabrous or hairy at the top. The Erlenblättrige Amelanchier blooming in May. The apple -like, sweet and juicy fruits are initially dull red when ripe purple and black frosting. They are round to oval and have a diameter of 0.8 to 1.5 centimeters. The calyx persists on the fruit.
Distribution and habitat requirements
The natural range is in North America, ranging from subarctic Alaska and northern Canada to California and Utah in the southwestern United States. The Erlenblättrige Amelanchier grows in meadows, on waters and shores in species-poor forests on moderately dry to moderately moist, mildly acidic to strongly alkaline, sandy, gravelly or loamy, fertile soil in full sun to light shade, cool to cold locations. The species is frost hardy.
System
The Erlenblättrige Juneberry ( Amelanchier alnifolia ) is a species of the genus of the rocks pear ( Amelanchier ) in the rose family ( Rosaceae ). There she is assigned to the subtribes of pome fruit crops ( Pyrinae ) in the tribe Pyreae, subfamily Spiraeoideae. It was first scientifically described in 1818 by Thomas Nuttall as Aronia alnifolia ( basionym ) and assigned to the chokeberry (Aronia ). Max Joseph Roemer presented the kind of Amelanchier alnifolia 1847 to the rocks pears. The Plant List the Erlenblättrige Amelanchier Amelanchier sanguinea var is a subspecies alnifolia ( Nutt. ) P. Landry out.
There are four varieties:
- Amelanchier alnifolia var alnifolia: The leaf margin is serrated at least to tip significantly. The ovary has a very hairy tip pen and usually five petals and reach a length of up to 12 millimeters.
- Amelanchier alnifolia var cusickii ( Fern. ) C. L. Hitchc. The sepals are usually longer than 3 millimeters. The petals are usually about 16 mm long and up to 8.5 mm wide. The ovary is glabrous or slightly hairy.
- Amelanchier alnifolia var humptulipensis ( GNJones ) CLHitchc. The leaf margin is almost entire, with a few small teeth near the blade tip. The ovary has a very hairy tip and the petals reach a length of up to 12 millimeters.
- Amelanchier alnifolia var semiintegrifolia ( Hook. ) CL Hitchc. The sepals are on average shorter than 3 millimeters. The petals are 12 to 16 millimeters in length and about 4 mm wide. The ovary is hairy woolly at the top.
The generic name Amelanchier is French and derives from the pre-Roman term ' melanca ' from, which means something like ' black'. The term thus refers to the black- purple fruits of the genus. The specific epithet alnifolia comes from Latin and means ' erlenblättrig '. It is derived from ' alnus ' alder and for - ' folius ' for ' flaky ' from.
Use
The fruits are eaten raw or cooked, they are rich in iron and copper. From the leaves of a tea can be prepared. Several varieties of Erlenblättrigen Amelanchier be used because of the showy flowers and decorative fruits as ornamental shrubs.