Oaks of the World

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  Quercus congesta
Author C.Presl. 1822 Delic. Prag. 32 1822
Synonyms robur var. congesta (C.Presl) Borzi 1880
pubescens var. congesta (C.Presl) Strobl 1881
insularis Borzi 1911
minaae Lojac. 1907
leptobalanus Guss. 1844
longiglandis Vuk. 1880
stenobalana Guss. 1844
ucriae Borzi 1911
lanuginosa subsp congesta (C.Presl) Nyman 1881
lanuginosa var. congesta (C.Presl) Gurke 1897
vulcanica pinnatifida Borzi 1911
vulcanica var. nebrodensis Borzi 1905
Local names
Range Sardinia; Sicily; S Italy; S France;
Growth habit
Leaves 5-8.5 x 3-5 cm; deciduous; elliptical to oblong; base subcordate; 5-8 pairs of regular, rounded lobes, sometimes lobulate and mucronate; dull adaxially; grey green pubescent beneath; tertiary veins evident; petiole 4-14 mm long;
Flowers male flower with 8-9 stamens longer than the perianth; female catkin 1-5 cm long, bearing 3-8 flowers;

acorn 2-3 cm long, 1-1.5 cm wide; on a 1-4 cm long stalk, 1 to 5 together; cup cyathiform, 10-15 mm in diameter, with flat scales slightly appressed, covering 1/4 of nut;

Bark, twigs and

bark brown to blackish, shallowly furrowed;
Hardiness zone, habitat not quite hardy (zone 7-8);
Miscellaneous -- Sub-genus Quercus, Section Quercus, Series Roburoid;
-- Closely related to Q.pubescens, bur for Govaerts (and others) it is a true species.

Subspecies and