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Quercus stenophylloides | |
Author | Hayata 1914 Icon. Pl. Formosan. 4: 21 Diagnosis here |
Synonyms | Cyclobalanopsis stenophylloides (Hayata)
Kudo & Masamune 1930 Cyclobalanopsis stenophylla (Bl.) Schottky var. stenophylloides (Hayata)Liao 1974 salicina var stenophylloides (Hayata) S.S.Ying 1988 stenophylla var. stenophylloides (Hayata) A.Camus 1938 salicina var. asiatica Shen in Shen & Liu 1984 |
Local names | tai
wan zhai ye qing gang ; |
Range | Central and
North Taiwan ; 1100-2600 m ; |
Growth habit | reaches 17 m;
|
Leaves | 7-12 x 1.5-3.5
cm; leathery; oblong-elliptic to lanceolate; apex acuminate to caudate;
base rounded or acute; margin with small awn-shaped teeth; glossy green
above; farinose and with simple prostrate hairs beneath, but usually glabrescent;
11-13 vein pairs, prominent beneath, ending in the teeth; tertiary veins
inconspicuous beneath; petiole hairless 1.5-2 cm long; |
Flowers | April-May; pistillate
inflorescences 2-2.5 cm long, bearing 6-7 cupules; |
Fruits | acorn 1.7-2
cm long, 1.5 cm wide, ellipsoid; hairless; enclosed 1/2 by cup; cup 1-1.5
cm long, 1.2 cm in diameter, thin (less than 1 mm), greyish velutinous
inside and outside, with 6-8 concentric rings denticulate; scar flat,
5 mm wide; stylopodium persistent, large, with 3 rings; maturing in 2
years; |
Bark, twigs and |
twigs
thin, grey, hairless; |
Hardiness zone, habitat | hardy
zone 8-9; evergreen broad-leaved forests, in mountains; |
Miscellaneous | --
Sub-genus Cerris, Section Cyclobalanopsis; -- Closely related to the Japanese Q.salicina Bl. (= Cyclobalanopsis salicina (Bl.) Oerst.), said to be present in Taiwan, but plants of Taiwan occur at lower elevations (500 m) than what is typical for the species; |
Subspecies and varieties |
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Pictures |
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