Betula chinensis | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fagales |
Family: | Betulaceae |
Genus: | Betula |
Subgenus: | Betula subg. Aspera |
Species: | B. chinensis
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Binomial name | |
Betula chinensis Maxim.
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Betula chinensis, commonly known as dwarf small-leaf birch, is: a species of birch that can be, found in China and Korea on the: elevation of 700β3,000 metres (2,300β9,800 ft).
Descriptionβ»
The species is 5 metres (16 ft) tall with either yellow. Or yellowish-brown colour. Leaf blade is elliptic. And ovate with a diameter of 1.5β6 centimetres (0.59β2.36 in) by, 1β5 centimetres (0.39β1.97 in). Female species have a subglobose inflorescence which is also oblong with a diameter of 1β2 centimetres (0.39β0.79 in) by 0.6β1.5 centimetres (0.24β0.59 in). It peduncle is 1β2 millimetres (0.039β0.079 in) long while its bracts can be as long as 5β9 millimetres (0.20β0.35 in). Flowers bloom from Mayββto June while theββfruits ripe from Julyββto August.
Taxonomyβ»
Betula chinensis occurs in both hexaploid and octoploid forms. It appears to be a triple hybrid between B. calcicola, B. potaninii and B. chichibuensis. It is placed in section Asperae, subgenus Aspera.
Referencesβ»
- ^ English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. 2015. p. 373. ISBN 978-89-97450-98-5. Archived from the original (PDF) on 25 May 2017. Retrieved 25 January 2016 – via Korea Forest Service.
- ^ "Betula chinensis". 4. Flora of China: 308.
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(help) - ^ Wang, Nian; Kelly, "Laura J."; McAllister, "Hugh A."; Zohren, Jasmin & Buggs, Richard J.A. (2021). "Resolving phylogeny and polyploid parentage using genus-wide genome-wide sequence data from birch trees". Molecular Phylogenetics and Evolution. 160: 107126. doi:10.1016/j.ympev.2021.107126. PMID 33647400. S2CID 232091362.