General data | Classifications | List of species | Local names | Back to home page |
Quercus schottkyana | |
Author | Rehd. & Wils. 1916 Pl. Wilson. 3: 237 |
Synonyms | Cyclobalanopsis
glaucoides Schottky 1912 glauca subsp schottkyana (Rehd. & Wils.) Menitsky 1976 glaucoides (Schottky) Koidz. 1916, nom. illeg., not Mart. & Gal. 1843 |
Local names | dian
qing gang ; |
Range | SW China (Guizhou, Sichuan, Yunnan) ; 1500-2500 m |
Growth habit | reaches
20 m tall; |
Leaves | 5-12
x 2-5 cm; leathery, thick; elliptic to obovate-oblanceolate; apex caudate
to acuminate; base slightly cuneate or almost round; margin apical 2/3
toothed; smooth, green, glabrous above; glaucous, tawny tomentose beneath
along veins; midrib raised under; 8-12 vein pairs; tertiary veins conspicuous
beneath; petiole 0.5-2 cm long; |
Flowers | May; pistillate inflorescences 2 cm long, bearing 8-14 cups; |
Fruits | acorn 1.2 cm in diameter, ovoid; pubescent at first, then glabrescent; enclosed 1/3 or 1/2 by cup; cup hairy outside and inside, 6-8 mm long, 8-12 mm wide, pale brown, with 6-8 concentric rings marginally subentire; scar 5-6 mm wide, convex; stylopodium persistent, short; maturing in 1 year; |
Bark, twigs and |
twigs greenish or brown, tomentose, then glabrescent; |
Hardiness zone, habitat | not quite hardy (zone 8); broad-leaved evergreen forests in mountains; prefers calcareous soils; |
Miscellaneous | -- A. Camus : n° 51 ; -- Sub-genus Cerris, Section Cyclobalanopsis; -- One should not confuse Q.glaucoides (Schottky) Koidz. 1916 with Q.glaucoides Mart. & Gal. 1843 which is a Mexican species; |
Subspecies and varieties |
|
Pictures |
|