Quercus chrysocalyx[1] is a tree species in the Asian sub-genus of 'ring-cupped oaks' and the family Fagaceae; there are no known subspecies.[2][3] It is native to Cambodia, China (Yunnan), Laos, Thailand, and Vietnam.[4]
Quercus chrysocalyx | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fagales |
Family: | Fagaceae |
Genus: | Quercus |
Subgenus: | Quercus subg. Cyclobalanopsis |
Species: | Q. chrysocalyx |
Binomial name | |
Quercus chrysocalyx Hickel & A.Camus | |
Synonyms | |
Cyclobalanopsis chrysocalyx (Hickel & A.Camus) Hjelmq. |
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.[5]
Quercus chrysocalyx was first described in 1921 by Paul Robert Hickel and Aimée Antoinette Camus.[1] The species epithet, chrysocalyx, is derived from the Greek chrysos ("gold") and kalyx, ("cup" or "calyx"), and describes the plant as having golden calyces.[6][7]
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