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Quercus guyavaefolia | |
Author | H.Lév. 1913 Repert. Spec. Nov. Regni Veg. 12: 363 |
Synonyms | pannosa Hand.-Mazz.1929 (A.
Camus : n° 90) 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;
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Leaves | 3.5-8 x 3.5
cm; evergreen; thick and leathery; oval, elliptic or oblong; rounded at
both ends; margin revolute, entire, toothed; 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; petiole 2-4 mm, brown tomentose; |
Flowers | May to July;
female inflorescences 2-6 cm; |
Fruits | acorn 2 cm long, 1.5-1.8 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 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; |
Hardiness zone, habitat | hardy;
mountain forests; |
Miscellaneous | --
A. Camus : n° 88; -- Sub-genus Cerris, Section Ilex; -- Closely related to Q.semecarpifolia Sm.; -- Also written "guyavifolia" or "guajavifolia"; -- See the Key for similar Asian Quercus |
Subspecies and varieties |
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Pictures |
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