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


This taxon is accepted by Betulaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

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.

  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 All Rights Reserved
World Flora Online consortium
http://about.worldfloraonline.org/
World Flora Online Data. 2017.
  • C CC0 1.0 Universal (CC0 1.0).
International Union for Conservation of Nature
https://www.iucn.org/
IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
  • D See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use