| Quercus lowii | |
| Author | King 1889 Ann. Roy. Bot. Gard. (Calcutta) 2: 28 |
| Synonyms | Cyclobalanopsis lowii (King) Schottky 1912 |
| Local names | |
| Range | Borneo; 1500-2500
m |
| Growth habit | not exceeding
20 m; trunk to 0.4 m in diameter; |
| Leaves | 4-12 cm x 2-5;
thick and coriaceous; oval to elliptic; apex acute or acuminate; base
rounded to heart-shaped, sometimes asymmetrical; margin entire or remotely
serrulate in the upper half; adaxially glossy, hairless or dull with sparse
stellate hairs on midrib; beneath tomentose with brownish stellate hairs,
late-glabrescent; 5-8 vein pairs, parallel, forming an angle of 50-60°
with the midrib; |
| Flowers | June-July; male catkins slender, 5-10 cm long, tomentose; male flowers solitary or to 3, perianth 5-6-lobed, tomentose, glabrescent, 4-6 stamens, pistillode replaced by fine woolly hairs; female inflorescence 1-2 cm long, 2-5-flowered; female flowers perianth 4-7-lobed, hairy, ovary conical, 3-6 styles 1 mm long; |
| Fruits | acorn 2 cm long, 1.5 cm in diameter; conical, ovoid to cylindrical, glabrescent, apex obtuse, base convex; enclosed 1/4 to 1/3 by halround cup; sometimes two fruits in the same cupule; cup with 4-5 denticulate, concentric rings; ripe from August to March; |
|
Bark, twigs and |
dark
grey, rough bark; young shoot dark grey, shallowly fissured, initially
densely pubescent with stellate trichomes, late-glabrescent, lenticellate;
terminal buds ovoid to subglobose, densely tomentose; stipules linear,
acute, 2-4 mm long; |
| Hardiness zone, habitat | not hardy; tropical mountain forests; ultra basic soils; |
| Miscellaneous | --
A. Camus : n° 85; -- Sub-genus Cerris, Section Cyclobalanopsis; -- Named after Sir Hugh Low, 1824–1905; officer of the British East India Company; plant collector. |
| Subspecies and varieties |
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| Pictures |
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