General data | Classifications | List of species | Local names | Back to home page |
Quercus virginiana | |
Author | Mill. 1768 Gard. Dict. ed. 8 16 |
Synonyms | andromeda Riddell 1853 hemisphaerica hort. ex Endl. 1848 phellos var. obtusifolia Lam. 1785 phellos var. sempervirens Marshall 1785 sempervirens Walt. 1788, (not Mill.) virens Ait. 1789 virginiana var. eximea Sarg. 1918 |
Local names | live oak ; southern live oak ; |
Range | SE U.S.A.; 0-200
m; introduced in Europe in 1739; |
Growth habit | 10-18 m tall;
trunk to 1 m in diameter; crown spreading, wider than high; branches horizontal
from low on the trunk; sometimes rhizomatous shrub; |
Leaves | 2.5-10 x 1.8-5
cm; semi-evergreen; lanceolate to oboval; leathery; apex rounded, sometimes
acute; base cuneate; margin entire, rarely toothed, often rolled under;
young leaves are sometimes toothed and shallowly lobed; dark shiny green
above; densely pubescent beneath; petiole pubescent 0.2-1.3 cm long; |
Flowers | March to May;
male carkins drooping, 5-8 cm long; |
Fruits | acorn 1.5-2.5
cm long, barrel-shaped, narrow, blackish, mucronate at apex; 3 to 5 together;
stalk 1-2 cm long; enclosed 1/3 by cup; cup with greyish, slightly tomentose
scales; maturing in 1 year; cotyledons connate; |
Bark, twigs and |
bark
dark grey brown, or blackish, rough, ridged; twigs brown, slender, cylindrical,
smooth; buds dark red brown, subglobose, 1-2 mm long; |
Hardiness zone, habitat | hardy;
prefers lime-free, dry, loamy soils, even salted; long-lived; |
Miscellaneous | --
A. Camus : n° 170 ; -- Sub-genus Quercus, Section Virentes; -- Hybridizes with Q.bicolor (= x nessiana), Q.durandii, Q.lyrata (= x comptoniae), Q.stellata, Q. macrocarpa (= x burnetensis) ; -- The other species of the Virentes sectioin are : Q.minima, Q.geminata, Q. brandegeei, Q. oleoides, Q. cubana and Q.fusiformis ; |
Subspecies and varieties |
There
are 3 varieties, that are today considered as true species : 1/_ var.
geminata (Small) Sarg. 1918 (A. Camus 173) 2/_ var.
fusiformis (Small) Sarg. |
Pictures |
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