General data | Classifications | List of species | Local names | Back to home page |
Quercus kinabaluensis | |
Author | Soepadmo 1968 Gard. Bull. Singapore 22: 401 |
Synonyms | |
Local names | |
Range | Borneo
(Sabah : Mont Kinabalu, Sarawak, Brunei) ; to 2600 m; |
Growth habit | more than 30 m tall; trunk to 30 cm in diameter; |
Leaves | 5-10
cm long x 2-5 cm wide; thick, coriaceous; oval-elliptic; apex acute or
acuminate, base round or acute, asymmetrical; margin entire; young leaves
with dense yellowish brown pubescence, becoming glabrous on both sides;
7-8 pairs of curved lateral veins, forming an angle of 45-60° with
the midrib, flat or impressed adaxially, slightly raised beneath; petiole
1 cm long, flat above; |
Flowers | in February; male catkins 5-11 cm, densely pubescent; male flowers 3, stamens 2 mm long; female inflorescences 1-3 cm, bearing 1-3 flowers; pistillate flowers with thick perianth, recurved styles, no staminodes; |
Fruits | acorn ovoid-conical 1 cm long, glabrescent, base convex; sub-sessile; basal scar narrow; cup conical 1,5 cm in diameter, with 6-8 pubescent, entire or toothed rings; ripe between March and May; |
Bark, twigs and |
bark smooth, reddish brown, covered with whites spots; twigs pubescent at first, brownish, glabrescent, later with sparse lenticels; terminal bud ovoid-globose or ovoid-conical, 4-10 mm long by 3-4; stipules linear-acute, 5-10 mm; |
Hardiness zone, habitat | not hardy; wet tropical forests on very basic soils; |
Miscellaneous |
-- Sub-genus Cerris, Section Cyclobalanopsis; |
Subspecies and varieties |
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Pictures |