Oaks of the World

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  Quercus baniensis
Author

A. Camus 1936 nom. nudum

Synonyms
Local names
Range Vietnam (Mount Bani, Da Nang Province); 700-800 m;
Growth habit
Leaves

7-9 cm x 2.5-4; lanceolate; base attenuate, apex shortly acuminate; almost concolor; margin not undulate, with some scattered teeth in the apical 1/3; 7-11 veins pairs, not evident abaxially, prominent above, at an angle of 40° from the midrib; tertiary veins not visible; petiole 1.2-2.9 cm long, rusty tomentose;

Flowers female catkins 2-3 cm long, bearing 3 flowers; 3-4 styles rather long, hairy, slightly divergent; stigmates very thick, dark.
Fruits

acorn ovoid 2.2-2.5 cm long, brownish, with a big mucro, at first tomentose then hairless except near mucro; cupule thick, obconical, 2.5-3 cm in diameter, slightly pilose inside, tomentose outside, with 6-8 concentric rings of scales nearly entire; cup enclosing 2/3 of the nut; basal scar convex, rough, 0.8-1 cm in diameter;

Bark, twigs and
buds

twigs densely golden tomentose;
Hardiness zone, habitat
Miscellaneous

-- Camus n° 28;
-- Sub-genus Cerris, section Cyclobalanopsis;

-- This taxon was often considered as a synonym of Q. langbianensis; today, it is included by Binh & Ngoc 2018 in the "Q. langbianensis Complex".

-- Threatened (IUCN Red List Category : CR)

Subspecies and
varieties
Pictures