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Alnus subcordata

Species of tree

Summary

Species of tree

Alnus subcordata, the Caucasian alder, It is closely related to the Italian alder (A. cordata) and Alnus orientalis.

It thrives across altitudes from sea level up to 2000 meters. This tree exhibits rapid growth in its natural habitat, predominantly river valleys. While it showcases adaptability to a diverse range of ecological conditions, it also demonstrates an ability to flourish in various growth habitats, particularly those at higher elevations.

It is a deciduous tree growing to 15–25 m tall, with similar glossy green cordate leaves 5–15 cm long. The flowers are catkins, the male catkins very slender, 8–15 cm long, the female catkins small, maturing into a woody cone-like fruit 2–3 cm long containing numerous small winged seeds.

Two varieties have been recorded:

  • Alnus subcordata var. subcordata C.A. Mey.
  • Alnus subcordata var. villosa (Regel) H.J.P.Winkl

Uses

It is a commercially valuable species with "widespread application in timber and furniture industries". It has a calorific value of about 4.6 cal/g.

References

References

  1. Sjöman, Henrik. (2021). "Evaluation of Alnus subcordata for urban environments through assessment of drought and flooding tolerance". Dendrobiology.
  2. Colagar, A. H., Yousefzadeh, H., Shayanmehr, F., Jalali, S. G., Zare, H., & Tippery, N. P. (2016). Molecular taxonomy of Hyrcanian ''Alnus'' using nuclear ribosomal ITS and chloroplast trnH-psbA DNA barcode markers. ''Systematics and biodiversity'', ''14''(1), 88–101. http://www.tandfonline.com/doi/abs/10.1080/14772000.2015.1102172
  3. Shayanmehr, F., JalaliI, S., Hosseinzadeh Colagar, A., Yousefzadeh, H., & Zare, H. (2015). Pollen morphology of the genus ''Alnus'' mill. In hyrcanian forests, north of iran. Applied ecology and environmental research, ''13''(3), 833–847. https://doi.org/10.15666/aeer/1303_833847
  4. Rahimi, D., Kartoolinejad, D., Nourmohammadi, K., & Naghdi, R. (2016). Increasing drought resistance of ''Alnus subcordata'' CA Mey. seeds using a nano priming technique with multi-walled carbon nanotubes. ''Journal of Forest Science'', ''62''(6), 269–278. https://www.agriculturejournals.cz/publicFiles/15_2016-JFS.pdf
Wikipedia Source

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