Quercus chrysocalyx explained

Quercus chrysocalyx is a tree species in the beech family Fagaceae; there are no known subspecies. It is native to Cambodia, China (Yunnan), Laos, Thailand, and Vietnam.^[1] It is placed in subgenus Cerris, section Cyclobalanopsis (the ring-cupped oaks).^[2]

This oak tree grows up to 15 m tall, with large acorns – 25–30 mm, and has been recorded from Vietnam, where it may be called sồi quang.^[3]

Taxonomy & naming

Quercus chrysocalyx was first described in 1921 by Paul Robert Hickel and Aimée Antoinette Camus. The species epithet, chrysocalyx, is derived from the Greek chrysos ("gold") and kalyx, ("cup" or "calyx"), and describes the plant as having golden calyces.^{[4] [5]}

Notes and References

1. Web site: Quercus chrysocalyx Hickel & A.Camus Plants of the World Online Kew Science. Plants of the World Online. 2020-05-21.
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. Phạm Hoàng Hộ (2003) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. II publ. Nhà Xuẩt Bản Trẻ, HCMC, VN
4. Book: 1830. 157. Florae Senegambiae tentamen, seu, Historia plantarum in diversis Senegambiae regionibus a peregrinatoribus Perrottet et Leprieur detectarum. fr. Perrottet, G.S. & Guillemin, J.B.A..
5. Backer, C.A. (1936) Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch-Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten (Edition Nicoline van der Sijs). (Explanatory dictionary of the scientific names of .. plants grown in the Netherlands and the Dutch East Indies...)