| Quercus stewardiana | |
| Author | A.Camus 1934 Chênes Atlas 1: 12 |
| Synonyms | Cyclobalanopsis
stewardiana
(A.Camus) Hsu & Wei Jen 1979 Cyclobalanopsis stewardiana var. longicaudata Hsu & al. |
| Local names | he
ye qing gang ; |
| Range | China (Anhui, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, Zhejiang); 1000-2800 m; |
| Growth habit | usually 8 m, but reaches 12 metres tall; |
| Leaves | 6-12 x 2-4 cm; elliptic-lanceolate to oblong-elliptic; leathery; thick; apex acuminate to caudate, base cuneate; margin remotely serrate near apex; shiny dark green above; whitish beneath, with some hairs or glabrescent; 8-10 vein pairs raised below; petiole 1.5-3 cm long, hailess; |
| Flowers | July; pistillate inflorescences 2 cm long, at axil of new shoots; |
| Fruits | acorn 0.8-1.5 cm, broadly ovoid; enclosed 1/2 by cup; cup 6-8 mm long, 10-15 mm wide, glabrescente outside, tomentose inside, with 5-9 concentric rings with denticulate margin; scar 5 mm wide, convex; stylopodium persistent; maturing in 2 years; |
|
Bark, twigs and |
twigs hailess; |
| Hardiness zone, habitat | not quite hardy; rocky slopes in subtropical forests; |
| Miscellaneous | -- A. Camus : n° 42 ; -- Sub-genus Cerris, Section Cyclobalanopsis; -- Related to Q.langbianensis ; |
| Subspecies and varieties |
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| Pictures |
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