Useful information about the taxon (species, subspecies, variety...)
Betula obscura Kotula
Betulaceae
(APG IV)dark birch
Taxon concept: The Plant List (2014), version 1.1
Distribution: Silesia, Slovakia
Betula obscura Kotula - Accepted: Betula obscura Kotula bei The Plant List (2010); Familie: Betulaceae (APG III)Betula obscura Kotula - Accepted: Betula obscura Kotula bei The Plant List (2014), version 1.1; Familie: Betulaceae (APG III)Betula obscura Kotula - Accepted: Betula obscura Kotula bei The Plant List (2010); Familie: Betulaceae (APG IV)
- Difference to related species
- nuts sizes are smaller than those of common birch (Betula pendula)
- Flowers
- monoecious flowers
- Flower ecology
- wind-pollinated (anemophilous)
- Life form
- tree
- Foliage persistence
- deciduous
- Fruits
- winged nut fruit (samara)
- Fruit ecology
- wind-dispersed (anemochorous)
- Soil conditions
- preferentially on fresh, nutrient-poor soils in submontane areas
- Natural occurrence (habitat)
- scrub and pioneer woodland of forests clearings, acidophilous oak forests, oak-hornbeam forests, alluvial forests, alder carrs, willow carrs, birch woodlands, Cirsium meadows
- Vegetation typ and synecology (plant community)
- temperate, mixed broad-leaved deciduous forests
- Constraints according soil conditions
- not salt tolerant
Franiel, I. & Blocka, A. (2008): The Seeds Quality of Betula pendula Roth and Betula oscura Kotula from Semi-Natural and Anthropogenic Habitats. Pakistan Journal of Biological Sciences, 11: 1455-1460.. DOI: 10.3923/pjbs.2008.1455.1460; Pladias (2014-2019): Database of the Czech flora and vegetation. See: www.pladias.cz;
| Sex | Standort | Accession number | Planting year | Donation | IPEN | Lat. | Long. |
|---|---|---|---|---|---|---|---|
| Parzelle V | LG-V-005-15350 | 1998 | + | XX-0-HOH-LG-V-005-15350 | 48,7074157479 | 9,2133036708 |