Acer stachyophyllum
| Acer stachyophyllum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Acer stachyophyllum |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Acer stachyophyllum | ||||||||||||
| Here |
Acer stachyophyllum is a tree art from the genus of maple ( Acer ). These are in today family of the soap tree plants provided (Sapindaceae), but were formerly their own family maple plants (Aceraceae).
The species is native to Asia ; their home is in the eastern Himalayas and in central China . It grows in mountain forests up to 3,500 meters.
description
Acer stachyophyllum is a small tree up to 15 meters high. In Central Europe it usually remains a large, multi-stemmed shrub. Occasionally root runners can be observed. The twigs are not hairy and greenish brown in color, occasionally striped with white.
The leaves are undivided, at most shallowly three-lobed, mostly the side lobes are very reduced. The tip of the leaf is long, the edge of the leaf is toothed. The leaves are five to eight inches long and about five inches wide. The petiole also measures a good five centimeters. The leaves are dark green on the upper side, lighter colored on the underside and hairy when the leaves emerge, except for the leaf veins this hairiness is later lost. The autumn color is yellow. The buds are bright red, the bud scales have an unusual bilobed shape.
Acer stachyophyllum is dioecious . The flowers are five to eight in racemose inflorescences. The male inflorescences are in the leaf axils, the female flowers are terminal on short shoots. The flowers consist of four sepals , four petals and (for male flowers) four stamens . The nectar disc is located within the stamen circle. The wings of the fruit are at an acute angle to each other.
The number of chromosomes is 2n = 26.
Systematics
Acer stachyophyllum was described by William Philip Hiern in Joseph Dalton Hooker's Flora of British India in 1875 .
Within the maple genus, Acer stachyophyllum is classified in the Glabra section and there in the Arguta series. A closely related species is Acer argutum .
The following subspecies are distinguished:
- Acer stachyophyllum ssp. betulifolium (Maxim.) De Jong - leaves smaller, more lobed, more serrated edge of the leaf, red in autumn.
- Acer stachyophyllum ssp. stachyophyllum
literature
- Helmut Pirc: Maples . Eugen Ulmer, Stuttgart (Hohenheim) 1994, ISBN 3-8001-6554-6 , pp. 218 ff .
- Xu Ting-zhi (†), Chen Yousheng; Piet C. de Jong, Herman J. Oterdoom, Chin-Sung Chang: Aceraceae (draft) . In: ZY Wu, PH Raven (Ed.): Flora of China . (English, harvard.edu [PDF]).
Individual evidence
- ↑ Acer stachyophyllum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
