Oaks of the World

General dataClassificationsList of speciesLocal namesBack to
home page

 Quercus salicina
AuthorBlume 1850
Synonymsangustissima Makino 1913
Cyclobalanopsis salicina (Bl.) Oerst. 1866
glauca var. stenophylla Bl. 1851
glauca var. salicina (Bl.) Menitsky 1976
stenophylla (Bl.) Makino 1910 (A. Camus : n° 41)
stenophylla var. salicina (Bl.) Makino 1910
salicina var. stenophylla (Bl.)
Hatus. 1951
stenophylla var. latifolia Nakai 1926
Cyclobalanopsis stenophylla (Bl.) Liao
stenophylloides Auct., not Hayata
Local namesurazirogashi ;
RangeJapan; Korea; Taiwan;
Growth habit tree to 30 m tall, with straight trunk to 1 m in diameter; introduced in G.B. in 1895;
Leaves 4-10 x 1-2.5 cm; evergreen; oblong to oblong-lanceolate; leathery; apex acuminate pointed; base rounded or attenuate; margin entire, or few-toothed towards apex; green, hairless above; glaucous or white, waxy beneath, with stellate, appressed hairs; 11-13 vein pairs weakly prominent beneath; short petiole, 0.5-1 cm long;
FlowersJuly-August; male catkins 6-9 cm long, yellow flowers with 3-4 lobed perianth and 4-6 stamens; pistillate spikes short, 3-4 flowered with recurved stigmas;
Fruitsacorn 1.5-2.5 cm long, 1-1.2 cm diameter; stalk 0.5-1 cm; enclosed 1/2 by cup; cup silky, 1.4 cm in diameter, with diamond-shaped, pale brown, appressed scales; matures in 1 year;

Bark, twigs and
buds

bark smooth, dark grey; twigs pale brown tomentose, becoming glabrous; buds with yellow green scales;
Hardiness zone, habitathardiness zone : 7-8; in warm temperate forests;
Miscellaneous -- A. Camus : n° 39;
-- Sub-genus Cyclobalanopsis;
-- Section Glauca, sub-section Glaucae (Menitsky);
-- differs from
Q.bambusaefolia in having pointed apex leaves;
Subspecies and
varieties
--- var. orgyalis (Hand.-Mazz.) 1929

--- var. stenophylloides (Hayata) S.S. Ying 1988 : see
Q.stenophylloides ;
Pictures