Compare sources for Quercus hemisphaerica
Eastern USA to Texas; in Coastal Plain; 0 to 150 m;
25 m tall; crown rounded;
Semi-evergreen. Medium or large often 60’
- Very short petiole.
- Leaf bases more U-shaped.
- Saplings and resprouts can have cordate leaf bases and very sharply lobed leaves.
- Lower leaf surface is glabrous
- Secondary veins raised on upper surface
- Leaves leathery and opaque
- Evergreen, maybe tardily deciduous at times (not sure about this)
As compared to Q. laurifolia:
- Leaves on average narrower and widest towards the tip
- Flowers about 2 weeks later
3-12 x 1-4 cm; evergreen or tardily deciduous (February or later); narrowly elliptic or oblanceolate; thick; apex pointed, base rounded; both sides green, glabrous and shiny; margin entire not revolute, with sometimes a few teeth or lobes near apex; petiole 6 mm long, dull yellow;
- 3 1/2”
- very short petiole
- base usually more U-shaped (vs V on laurifolia)
- leathery vs opaque
- generally broadest near the tip (not diamond shaped)
- underleaf pale green
acorn 9-16 mm long, ovoid or subglobose; sessile; cup covering 1/4 to 1/3 of nut, sometimes turbinate, hairy inside;
- 5/8”
- like laurifolia
- nearly round
- cup fairly shallow
- covers 1/4 - 1/3 of nut
spring; appear 15 days later than in the closely related Q.laurifolia
gray hairs
similar to laurifolia
larger than phellos
hardy; prefers light, well drained soils;
- common in fairly dry sandy soils of lowlands, stream terraces, occassioanly hillsides; mixed open woods, hammocks
- commonly cultivated
- zones 6-9
– A. Camus : n° 409; – Sub-genus Quercus, section Lobatae, subsection Phellos; – For a long time confused with Q.laurifolia (“swamp laurel oak”, “diamondleaf oak”) ; – Numerous hybrids (among them : Q.x sublaurifolia with Q.incana , Q.x mellichampi with Q.laevis )