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Quercus serrata

Quercus serrata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Fagaceae
Genus: Quercus
Subgenus: Quercus subg. Quercus
Section: Quercus sect. Quercus
Q. serrata
Binomial name
Quercus serrata
  • Quercus canescens Blume
  • Quercus donarium Nakai
  • Quercus glandulifera Blume
  • Quercus neoglandulifera Nakai
  • Quercus neoglandulosa Nakai
  • Quercus neostuxbergii Koidz.
  • Quercus urticifolia Blume

Quercus serrata, the jolcham oak,[3] (Chinese: 枹栎; pinyin: bāolì, 小楢 (Japanese: konara))[4] is an East Asian species of tree in the beech family. It is native to China, Taiwan, Japan, and Korea.[5][6]


Quercus serrata is a deciduous oak tree reaching a height of 25 metres (82 feet) occupying elevations from 100–2,000 m (330–6,560 ft). The bark is gray or reddish-brown with longitudinal furrows.[5] The leaves are up to 17 centimetres (6+34 in) long by 9 cm (3+12 in) wide, leathery, elliptical in shape, with serrated margins; they are densely covered with trichomes when young, becoming glabrous with age. The petioles are short (3 cm). The flowers are pistillate inflorescences from 1.5–3 cm (121+14 in) long, occurring in March to April. The seeds are oval-shaped acorns 1.7–2 cm (5834 in) long and take one year to mature. A cup with trichomes and triangular shaped scales covers 14 to 13 of the acorn.[5]

The plant frequently attracts stinkbugs which lay their eggs inside them.[7]


  1. ^ "Quercus serrata Murray". Tropicos. Missouri Botanical Garden. Retrieved 2018-08-17.
  2. ^ "Quercus serrata subsp. serrata". World Checklist of Selected Plant Families. Royal Botanic Gardens, Kew – via The Plant List. Note that this website has been superseded by World Flora Online
  3. ^ Lee, Sangtae; Chang, Kae Sun, eds. (2015). English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. p. 600. ISBN 978-89-97450-98-5. Retrieved 12 March 2019 – via Korea Forest Service.
  4. ^ Makino Tomitaro. 2016. Makino Nihon Shokubutsu Zuroku. Student edition. Tokyo: Hokuryukan.
  5. ^ a b c Huang, Chengjiu; Zhang, Yongtian; Bartholomew, Bruce. "Quercus serrata". Flora of China. Vol. 4 – via, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  6. ^ International Oak Society - Report from the Oak ICRA checklist (Quercus serrata)
  7. ^ "Biological roles of symbiont-supplemented egg-covering jelly of urostylidid stinkbugs". 2014-11-05. Retrieved 2017-04-04.
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Quercus serrata
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