| Quercus rex | |
|---|---|
| |
Scientific classification
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fagales |
| Family: | Fagaceae |
| Genus: | Quercus |
| Subgenus: | Quercus subg. Cerris |
| Section: | Quercus sect. Cyclobalanopsis |
| Species: | Q. rex
|
| Binomial name | |
| Quercus rex | |
| Synonyms [2] | |
| |
Quercus rex is an Asian species of tree in the family Fagaceae. It has been found in the seasonal tropical forests of northern Indochina ( Laos, Myanmar, Vietnam), northeastern India, and also in the province of Yunnan in southwestern China. [3] It is placed in subgenus Cerris, section Cyclobalanopsis. [4]
Quercus rex is a large tree up to 30 m. tall. Twigs are pale brown with a woolly coating of hairs. Leaves can be as much as 270 mm long. [3] [5] The acorn is oblate, 25-35 × 35–50 mm, pale greyish-orange and tomentose when young; the apex is rounded to impressed; the scar is 20–25 mm in diameter and depressed. In China, flowering is in April–May, acorns are found from October–November. [3]
References
- ^ Carrero, C. (2019). "Quercus rex". IUCN Red List of Threatened Species. 2019: e.T32396A2817544. Retrieved 24 January 2023.
- ^ The Plant List, Quercus rex Hemsl.
- ^ a b c Flora of China, Cyclobalanopsis rex (Hemsley) Schottky, 1912. 大果青冈 da guo qing gang
- ^ Denk, Thomas; Grimm, Guido W.; Manos, Paul S.; Deng, Min & Hipp, Andrew L. (2017). "Appendix 2.1: An updated infrageneric classification of the oaks" (xls). figshare. Retrieved 2023-02-24.
- ^ Hemsley, William Botting 1900. Hooker's Icones Plantarum 27(3): plate 2663 and subsequent unnumbered text page 2- page fold-out line drawing, description in Latin, commentary and figure captions in English
External links
- line drawing, Flora of China Illustrations vol. 4, fig. 381, drawings 1-3 at left
- Photo of herbarium specimen at Missouri Botanical Garden, collected in Yunnan, showing leaves
- Second photo of herbarium specimen at Missouri Botanical Garden, collected in Yunnan, showing acorns
-
Data related to
Quercus rex at Wikispecies
 | This article about plants in the genus Quercus is a stub. You can help Wikipedia by expanding it. |