Rahul Sharma (Editor)

Betula glandulosa

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Kingdom
  
Family
  
Subgenus
  
Chamaebetula

Higher classification
  
Birch

Order
  
Genus
  
Betula

Scientific name
  
Betula glandulosa

Rank
  
Species

Betula glandulosa httpsnewfss3amazonawscomtaxonimages1000s1

Similar
  
Birch, Betula pumila, Betula nana, Betula occidentalis, Betula neoalaskana

Betula glandulosa, American dwarf birch, also known as resin birch or shrub birch, is a species of birch native to North America, occurring in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, and locally south to northern New York in the east. In the Arctic it occurs down to sea level, while in the south of the range, it grows as high as 3,400 metres (11,200 ft) altitude.

Betula glandulosa Betula glandulosa Wikipedia

American dwarf birch is a multi-stemmed shrub typically growing to 1–3 m (3.3–9.8 ft) tall, often forming dense thickets. The trunks are slender, rarely over 5–10 cm (2–4 in) diameter, with smooth, dark brown bark. The leaves are nearly circular to oval, 0.5–3 cm (141 18 in) long and 1–2.5 cm (38–1 in) broad, with a toothed margin. The fruiting catkins are erect, 1–2.5 cm (38–1 in) long and 5–12 mm (3161532 in) broad.

Betula glandulosa Betula glandulosa

It is closely related to the dwarf birch (Betula nana), and is sometimes treated as a subspecies of it, as B. nana subsp. glandulosa. It is distinguished from typical B. nana by the presence of glandular warts on the shoots and longer leaf petioles. Hybrids with several other birches occur.

Betula glandulosa Betula glandulosa
Betula glandulosa Classification Arctic Flora of Canada and Alaska

Betula glandulosa Betula glandulosa Resin birch Discover Life

Betula glandulosa Betula glandulosa

References

Betula glandulosa Wikipedia


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