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Compare sources for Quercus laurifolia

Select sources to compare:
Field
Oak Compendium
Oaks of the World
The Sibley Guide to Trees
Common Names
laurel oak, swamp laurel oak, Darlington oak
Swamp Laurel Oak, Laurel-Leaf Oak, Diamon Leaf Oak, Water Oak, Obtusa Oak
Geographic Range

SE Virginia to S Florida and Texas; to 150 m; introduced in Europe in 1786;

Growth Habit

18-24 m; dense rounded crown; trunk to 1.2 m in diameter;

Tardily deciduous. Medium to large tree, under 60’ tall usually

Leaves
  • Short petiole
  • Leaf bases mostly V-shaped
  • Leaves can be lobed but more like Q. nigra, generally not sharply lobed.
  • Lower leaf surface can have hairs in the vein axils
  • Secondary veins flush or impressed
  • Leaves slightly translucent when backlit
  • Tardily deciduous, never evergreen

As compared to Q. hemispaerica:

  • Leaves on average wider and widest in the middle (diamond shaped)
  • Flowers about 2 weeks earlier than Q hemispaerica

5-12 x 1-3 cm; falling in winter; oboval to rhomboid-elliptic (diamond-shaped); apex obtuse, with or without apical mucro; base attenuate or cuneate; margin entire or irregularly lobed in apical 1/3; thin, glabrous; shiny green above, paler beneath without axillary tufts; midrib yellow abaxially; petiole hairless, 2-5 mm long;

  • 3 1/2”
  • petiole very short
  • vigorous shoots often lobed
  • occasional leaves resemble nigra
  • at least some leaves on tree widest in the middle (diamond shaped)
  • underleaf pale green
  • broader, less rigidly linear than phellos
Fruits (Acorns)

acorn 1.2 cm long; nearly globose; singly; cup subsessile, scaly, shallow; brown at maturity; maturing in 2 years;

  • 5/8”
  • cup shallow
  • scales tight
  • cover 1/4 - 1/3 of nut
Flowers

in spring; 15 days earlier than the closely related Q.hemisphaerica ;

Twigs

like hemisphaerica

Buds

like hemispaherica

Hardiness & Habitat

hardy; prefers light, moist soils;

  • Uncommon and scattered in swmaps, floodplains, wet hammocks
  • commonly cultivated
  • zones 6-9
Additional Information

– A.Camus : 409; – Sub-genus Quercus, section Lobatae, subsection Phellos; – Numerous hybrids.