Quercus augustinii explained

Quercus augustinii is a rare species of tree in the beech family Fagaceae. It has been found in Vietnam as well as Guangxi, Guizhou, and Yunnan Provinces in southern China.^[1] It is placed in subgenus Cerris, section Cyclobalanopsis.^[2]

Quercus augustinii is a tree up to 10 m. tall, with orange-brown twigs and leaves as much as 120 mm long. The acorn is oblong-ovoid, 10-17 × 8-12 mm, glabrous, apex rounded or slightly depressed; scar approx. 6 mm in diameter.^{[3] [4]}

External links

• photo of herbarium specimen at Missouri Botanical Garden, collected in Yunnan
• line drawing, Flora of China Illustrations vol. 4, fig. 381, 7

Notes and References

1. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210000351 Flora of China, Cyclobalanopsis augustinii (Skan) Schottky, 1912. 窄叶青冈 zhai ye qing gang
2. Web site: Denk . Thomas . Grimm . Guido W. . Manos . Paul S. . Deng . Min . Hipp . Andrew L. . 2017 . Appendix 2.1: An updated infrageneric classification of the oaks . figshare . 2023-02-24 . xls . amp .
3. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=210000350 Flora of China, Cyclobalanopsis argyrotricha (A. Camus) Chun & Y. T. Chang ex Y. C. Hsu & H. W. Jen, 1993. 贵州青冈 gui zhou qing gang
4. https://www.biodiversitylibrary.org/page/169709#page/543/mode/1up Skan, Sidney Alfred in Forbes, Francis Blackwell & Hemsley, William Botting 1899. Journal of the Linnean Society, Botany 26(178): 507