Betula alnoides Buch.-Ham. ex D.Don
  • Prodr. Fl. Nepal.


Cite taxon page as 'WFO (2020): Betula alnoides Buch.-Ham. ex D.Don. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000330941. Accessed on: 26 Oct 2020'

General Information

Trees to 30 m tall; bark gray, exfoliating. Branchlets densely white villous and resinous glandular. Petiole 1.5-3(-4) cm, densely villous and glandular punctate; leaf blade lanceolate, ovate-lanceolate, or ovate-elliptic, 4-12 × 2.5-5.5 cm, papery, abaxially densely glandular punctate, sparsely villous along veins, bearded in axils of lateral veins, adaxially glabrous, base cuneate, broadly cuneate, or subrounded, rarely subcordate, margin irregularly incurved setiform serrate, apex acuminate or caudate-acuminate; lateral veins 10-13 on each side of midvein. Female inflorescences 3-5 in a raceme, pendulous, narrowly cylindric, 5-10 cm × 4-6 mm when mature; peduncle 2-3 mm, densely yellow villous; bracts ca. 3 mm, densely pubescent and ciliolate, becoming spongy at base, 3-lobed, middle lobe oblong or obtuse, lateral lobes reduced, auriculate. Nutlet obovate, 1.5-2 mm, sparsely pubescent at apex, with membranous wings ca. 2 × as wide as nutlet. Fl. Oct-Jan, fr. Mar-May. 2n = 28.

  • Provided by: [B].Flora Of CHina @ efloras.org
    •   Bibliography

      • 1 Prodr. Fl. Nepal.

       Information From

      Betulaceae
      World Flora Online Data. 2017.
      • A CC0 1.0 Universal (CC0 1.0).
      Flora Of CHina @ efloras.org
      http://www.efloras.org/flora_page.aspx?flora_id=2
      'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
      • B Missouri Botanical Garden
      World Flora Online consortium
      http://www.worldfloraonline.org/organisation/WFO
      World Flora Online Data. 2018.
      • C CC0 1.0 Universal (CC0 1.0).
      Global Tree Search
      https://tools.bgci.org/global_tree_search.php
      BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
      • D Botanic Gardens Conservation International