| Quercus guyavifolia | |
| Author | H.Lév. 1913 Repert. Spec. Nov. Regni Veg. 12: 363 |
| Synonyms | pileata Hu et W.C.Cheng 1951 semecarpifolia Franchet p.p. |
| Local names | mao
dou li |
| Range | China (Yunnan,
Sichuan ) ; 2500 to 4000 m ; |
| Growth habit | brittle shrub,
evergreen, 0.6 m to 2m, or tree reaching 15 m according to elevation;
|
| Leaves | 3.5-8 x 3.5
cm; evergreen; thick and leathery; subelliptic; obtuse or rounded at apex;
base rounded or cordate; margin revolute, entire, or toothed with 2 mm
long spiny teeth; glabrous above except some multiradiate hairs; dense,
tawny, persistent tomentum beneath made of simple, solitary and fascicled
hairs; 5-12 vein pairs not densely covered with hairs, at an angle of
50-52° with midrib; petiole 2-4 mm, brown tomentose; |
| Flowers | May to July;
female inflorescences 2-6 cm, tomentose, multiflowered; |
| Fruits | acorn 1.8 cm long, 1.3-1.4 cm in diameter; subglobose; glabrous; apex rounded; singly or paired, on a 2-6 cm long peduncle ; enclosed 1/2 by cup; cup adherent to nut only at base; scales less than 4 mm long, grey brown tomentose from their base to middle, glabrous and red brown at their tip; maturing in 2 years; |
|
Bark, twigs and |
twig
reddish to dark brown tomentose, becoming more or less quickly hairless;
bud ovoid, brownish; lenticels whitish; stipules linear deciduous; |
| Hardiness zone, habitat | hardy;
mountain forests; |
| Miscellaneous | --
A. Camus : tome 1, p. 380, n° 88; -- Sub-genus Cerris, Section Ilex; -- Closely related to Q.semecarpifolia Sm.; -- Also written "guyavaefolia" or "guajavifolia"; -- See the Key for similar Asian Quercus |
| Subspecies and varieties |
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| Pictures |
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