Betula medwediewii
B. medwediewii can be trained to take a standard growth form
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Betulaceae
Genus: Betula
Subgenus: Betula subg. Aspera
Species:
B. medwediewii
Binomial name
Betula medwediewii

Betula medwediewii, called Transcaucasian birch, Caucasian birch or Medwediew's birch, is a species of birch which is native to Turkey, Georgia, and Iran. It is decaploid, with its closest diploid relatives being Betula humilis and probably Betula lenta from eastern North America. It is placed in section Lentae, subgenus Aspera.[2] Its cultivar 'Gold Bark' has gained the Royal Horticultural Society's Award of Garden Merit.[3]

Catkins, leaves and twigs

References

  1. ^ Gartenflora 36:383-384. 1887 Jul (Trudy Imp. S.-Peterburgsk. Bot. Sada 10:375. 1887)
  2. ^ 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.
  3. ^ "Betula medwediewii 'Gold Bark'". Retrieved 12 September 2019.
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