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Quercus aliena | |
Author | Blume 1850 Mus. Bot. 1: 298 1851 |
Synonyms | aliena f. calvescens Rehd. &
Wils. in Sarg. 1916 acutidentata (Maxim.) Koidzumi 1926 acutidentata var. latifolia Liou 1936 aliena Bl. var. acutidentata Maxim. ex Franch. & Sav. 1875 hirsutula Blume 1850 holosericea Blume 1851 nara A.DC 1864 |
Local names | hu li |
Range | Central China; Korea; Japan; introduced in Europe in 1908; |
Growth habit | 20 m tall (but reaches 30 m); |
Leaves | 8-20 cm long, 5-10 cm wide; oboval to oboval-oblong; margin wavy, coarsely toothed with 9-10 pairs of teeth sometimes mucronate; dark lustrous green above, grey brown pubescent below; apex subacute or obtuse; base attenuate, rounded, sometimes slightly cuneate; 10-15 pairs of lateral veins at an angle of 45° with the midrib; petiole 0.5-1.5 cm long or more, glabrescent; |
Flowers | April-May; male catkin 8-9 cm long, with pubescent rachis; pistillate carkin racemose; 3-5 short styles; |
Fruits | acorn solitary or several (1 to 3 on a very short peduncle), ovoid, 1.5-1.8 cm long, depressed at tip; enclosed for 1/2 of length in cup with narrowly lanceolate scales 2 mm wide; maturing in 1 year, in Sept.-Octob.; |
Bark, twigs and |
twigs grey brown, glabrescent, with brownish rounded lenticels; bud ovoid with numerous brown scales; |
Hardiness zone, habitat | hardy; all types of soils; vigorous; |
Miscellaneous | -- Sub-genus Quercus,
section Quercus, Series Roburoid; -- A. Camus : tome 2, p. 128, n° 145 ; |
Subspecies and varieties |
8 varieties : -- 2/ var. acutiserrata Maxim. 1886 Jahrb.
Königl. Bot. Gart. Berlin 4: 219 -- 3/ var. pekingensis Schottky 1912 -- 4/ var. pellucida Blume 1851 Mus.
Bot. 1: 298 -- 5/ var. alticupuliformis H.Wei Jen and L.M.Wang 1984 Bull. Bot. Res., Harbin 4: 197 -- 6/ var. pubipes Rehder & Wilson 1916 -- 7/ var. shaanxiensis W.H.Zhang 2001
Bull. Bot. Res., Harbin 21:179 -- 8/ var. taibaiensis W.H.Zhang 2001 Bull. Bot. Res., Harbin 21: 178
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