General data | Classifications | List of species | Local names | Back to home page |
Quercus tomentosinervis | |
Author | (Y.C.Hsu & H.Wei Jen) C.C. Huang 1992 Guihaia 12: 304 |
Synonyms | Cyclobalanopsis
tomentosinervis
Hsu & Wei Jen 1976 |
Local names | mao
mai qing gang ; |
Range | China
(SE Guizhou, SE Yunnan); 2300 m; |
Growth habit | reaches
20 m tall; |
Leaves | 7-15
x 3-5 cm; oval to oblong-elliptic; leathery; apex caudate; base broadly
cuneate or almost rounded; margin entire, sometimes weakly denticulate
towards apex; shiny green, hairless above; grey brown tomentose beneath
(essentially along veins); midrib impressed adaxially; 11-15 vein pairs;
tertiary veins evident beneath; petiole sulcate above, 2-3.5 cm long; |
Flowers | pistillate inflorescences 5-7 cm long; |
Fruits | acorn
1.5-1.7 cm long, 1.3-1.5 cm in diameter; ovoid; hairless; cup half-round,
0.8 cm long, 1.3-1.5 cm wide, thin, pubescent outside, silky inside, enclosing
1/3 of nut, with 6-7 concentric rings (margin with small triangular teeth,
except 2 apical rings entire); scar 5-8 mm, convex; stylopodium persistent;
maturing in 1 year; |
Bark, twigs and |
twig
sulcate, villose when young, becoming hairless; |
Hardiness zone, habitat | evergreen
broad-leaved forests; |
Miscellaneous | -- Sub-genus Cerris, Section
Cyclobalanopsis; -- Threatened (IUCN Red List Category : CR) |
Subspecies and varieties |
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Pictures | drawing |