Quercus rex

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
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

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