bio.wikisort.org - Plant

Quercus rex is an Asian species of tree in the family Fagaceae and the "ring-cupped oak" sub-genus. 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.[2]

Quercus rex
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Quercus
Subgenus:	Quercus subg. Cyclobalanopsis
Species:	Q. rex
Binomial name
Quercus rex Hemsl.
Synonyms[1]
Cyclobalanopsis fructiseptata (A.Camus) Hjelmq. Cyclobalanopsis rex (Hemsl.) Schottky Quercus dussaudii Hickel & A.Camus Quercus fructiseptata A.Camus Quercus subumbilicata A.Camus

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.[2][3] 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.[2]

References

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

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