Betula luminifera H.J.P.Winkl.
  • Pflanzenr.


Cite taxon page as 'WFO (2020): Betula luminifera H.J.P.Winkl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000334281. Accessed on: 26 Oct 2020'

General Information

Trees to 25 m tall; bark dark brown, smooth. Branchlets yellow-brown, densely yellow pubescent, sparsely resinous glandular, glabrescent. Petiole 1-2 cm, densely villous and resinous punctate; leaf blade oblong, broadly oblong, or oblong-lanceolate, rarely elliptic or ovate, 4.5-10 × 2.5-6 cm, abaxially densely resinous punctate, bearded in axils of lateral veins, adaxially densely pubescent when young, base rounded, subcordate, or broadly cuneate, margin irregularly and doubly setiform serrate, apex mucronate or caudate; lateral veins 12-14 on each side of midvein. Female inflorescence 1(-2), pendulous, narrowly cylindric, 3-9 cm × 6-10 mm; peduncle 1-2 mm, densely pubescent and resinous punctate; bracts 2-3 mm, sparsely pubescent and ciliolate, spongy at base, 3-lobed, middle lobe oblong or lanceolate, lateral lobes ± reduced, 1/4-1/3 as long as middle lobe. Nutlet obovate, ca. 2 mm, sparsely pubescent, with membranous wings 1-2 × as wide as nutlet. Fl. May-Jun, fr. Jun-Aug.

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

      • 1 Pflanzenr.

       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