| Quercus oidocarpa | |
| Author | Korth. 1844 Verh. Nat. Gesch. Ned. Bezitt., Bot. 216 |
| Synonyms | Cyclobalanopsis oidocarpa (Korth.)
Oerst. 1867 brevistyla A.Camus 1933 (A. Camus : n° 44 ) |
| Local names | |
| Range | Sumatra, Borneo,
Java, west Malaysia; 600-1500 m; |
| Growth habit | reaches 30 m
tall; trunk to 0.5 m in diameter; |
| Leaves | 7-17 x 3-7 cm;
leathery; elliptic-oblong or oblong-lanceolate; apex acute or acuminate;
base rounded or attenuate or subcordate; margin remotely serrulate on
the apical half; hairless above; scattered stellate hairs beneath; 9-13
pairs of secondary veins slightly prominent beneath, impressed adaxially,
parallel, at an angle of 45° with the midrib; petiole 1.5-3.5 cm long,
glabrous, slightly grooved adaxially; |
| Flowers | in March-April; male catkins 5-7 cm, pubescent; male flowers with membranous, glabrous perianth; female inflorescence 3-7 cm long, bearing 3-7 flowers ; female flowers without staminode, 3-4 styles 1-2 mm long; |
| Fruits | acorn 2-3.5
cm long, 2.3 cm in diameter, tomentose; ovoid-globose or cylindrical;
enclosed 1/2 to 3/4 by cup; cupule halfround, attenuate and toothed
at base, with 9-11 yellowish brown pubescent, denticulate or entire rings;
basal scar broad, raised; |
|
Bark, twigs and |
bark dark grey, fissured into rectangular plates; twig initially densely stiff pubescent, then glabrescent, with lenticels; terminal buds ovoid-globose 3-5 mm long; stipules linear, acute, 3-4 mm long, densely fulvous simple tomentose; |
| Hardiness zone, habitat | not
hardy; |
| Miscellaneous | -- A. Camus : n° 15; -- Sub-genus Cerris, Section Cyclobalanopsis; -- Section Oidocarpa, sub-section Oidocarpae (Menitsky). |
| Subspecies and varieties |
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| Pictures |
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