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 | |
|---|---|
| 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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