Quercus longispica
Synonyms (1)
Geographic Range
China (Sichuan, Yunnan)
Growth Habit
to 25 m;
Leaves
5.5-8 cm x 2.5-4 cm; evergreen; coriaceous; obovate-subelliptic or subelliptic; base round; apex round or with a blunty tip; margin revolute, entire or often with spiny teeth; adaxial face at first yellow-brown pubescent, then glabrous; abaxially with a yellow-brown tomentum, made of simple glandular hairs and fasciate ones, not covering the secondary veins or very slightly; 7-9 lateral veins pairs impressed above, raised underneath; stout petiole 2-4 mm long, glabrescent;
Flowers
very late (June, July) ; male catkins to 18cm (average length : 12 cm), and remarkable pistillate inflorescence 5-16 cm long (hence the species name);
Fruits
acorn ovoid or globose, 1.5 cm maximum in diameter, to 20 together on an erect infrutescence to 16 cm long; cup with short, hairy at margin, lanceolate scales; wall cup 1 mm thick; acorn enclosed variably in the cup; maturation biannual;
Additional Information
– Sub-genus Cerris, section Ilex; – A.Camus : tome 1, p. 398, n°94; – For some Authors it is a synonym of Q. semecarpifolia … though this species has male and pistillate inflorescences and acorns very different. – See the Key for Asian simalar Quercus ;