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Quercus yunnanensis | |
Author | Franch. 1899 J. Bot. (Morot) 13: 146 |
Synonyms | Cyclobalanopsis yunnanensis (Franch.) H.Lév.
1916 aliena var. urticifolia (Franch.) Skan dentata var. oxyloba Franch. 1899 dentata subsp yunnanensis (Franch.) Menitsky 1973 dentata var. yunnanensis (Franch.) A.Camus 1934 dentatoides Liou 1936 griffithii var. urticifolia Franch. 1899 malacotricha A.Camus 1933 yui Liou 1936 oxyloba (Franch.) Liou 1936 |
Local names | yun
nan bo luo li; |
Range | China (Yunnan,
Sichuan, Guangdong, Guangxi, Guishou, Hubei ) ; 1000 - 2800 m |
Growth habit | 15-20 m tall; |
Leaves | 8-10(-25) x
3-4.5(-18) cm; oboval; apex pointed, shortly acuminate; base cuneate;
margin with 8-10 pairs of teeth; hairless above; velutinous beneath; 8-13
vein pairs; tertiary vein inconspicuous beneath; petiole 4-8 mm long,
densely yellow brown tomentose; |
Flowers | March-April;
pistillate inflorescences 2-4 cm long; |
Fruits | acorn 1.5-2.5
cm long, 1 cm in diameter; ovoid; apex mucronate; 1 to 3 together; enclosed
1/3 to 2/3 by cup; cup campanulate, 1.5 cm in diameter, with lanceolate,
leathery, brown grey, 3-8 cm long scales; maturing in 1 year; |
Bark, twigs and |
bark
slightly corky; twig sulcate, with lenticels, densely tomentose with stellate
hairs; |
Hardiness zone, habitat | hardy; |
Miscellaneous | --
Sub-genus Quercus, Section Quercus, Series Roburoid. -- A. Camus : n° 144 (named Q.malacotricha) ; -- Closely related to Q.dentata of which it differs in having petiole and cup-scales shorter; must be considered as conspecific; |
Subspecies and varieties |
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Pictures |
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