Oaks of the World

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  Quercus leptobalanos
Author Guss., Fl. Sic. Syn. 2(2): 608. 1844
Synonyms robur var. leptobalanos (Guss.) DC; 1864
toza subsp. leptobalanos (Guss.) Nyman 1881
lanuginosa var. leptobalanos (Guss.) Gürke 1897
Local names
Range NW Sicilia (Madone Mounts); 800-1200 m;
Growth habit to 20 m;
Leaves

5-15 cm x 3.5-11; variable shape, most often oblong, seldom oboval-oblong; base rounded or subcordate; above dull green, with sparse hairs; beneath densely grayish pubescent; margin with 5-7 pairs of rounded lobes, depth of sinuses variable; petiole 0.5-1.8 cm long;

Flowers May; male catkin 3-5 cm long, flower's perianth with 5-6 linear, 1.3-2 mm long, ciliate at margin lobes, and 5-8 stamens longer than the perianth, with glabrous anthers; female catkin bearing 3-7 flowers with 3 purple stigmas 0.3-0.4 mm long;
Fruits acorn ovoid to ellipsoid, mucronate, 1-3 cm long, 0.6-0.8 cm wide, subsessile or on a very short peduncle, 3 to 7 together; cup enclosing 1/4 to 1/2 of acorn, 0.8-1 cm in diametre, half-round or cyathiform, with slightly convex scales, scales 1-2 mm long; maturing in September.

Bark, twigs and
buds

bark grayish, fissured longitudinally and horizontally, divided into elongate rough plates; youg twig pubescent;
Hardiness zone, habitat prefers siliceous, sandy soils;
Miscellaneous
Subspecies and
varieties
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