Betula pendula subsp. szechuanica (C. K. Schneid.) Ashburner & McAll.

Betula szechuanica, the Sichuan birch or Szechuan birch, is a birch species native to Sichuan, China, conical in shape, growing to 20 meters in height, with white bark, yellow-green male catkins or green female catkins, and dark, blue-green leaves.

Synonyms

• Betula platyphylla var. szechuanica
• Betula mandshurica var. szechuanica
• Betula japonica var. szechuanica

References

Wikimedia Commons has media related to Betula platyphylla.

• GBIF entry
• Alison Hoblyn and Marie O'Hara, Green Flowers: Unexpected Beauty for the Garden, Container Or Vase, page 40, Timber Press, 2009. ISBN 9780881929195.