Wednesday, September 14, 2011

Quercus geminata Sand Live Oak

Family: FAGACEAE or beech family


Sand live oak, St. Joe's Bay.
Sand live oaks Q. geminata are similar to live oaks Q. virginiana. Only a few are on Florida State University campus, and they can look similar when grown in similar conditions. It is widespread in southern Florida all the way to the Keys and from Louisiana to North Carolina. It is not restricted to beaches, and is also found in sand-pine scrub, coastal hammocks and similar habitats.


Description: Roughly ridged bark. Flowers: hanging catkins. Fruit: Shiny dark brown acorns often black at tip, 1-2 cm long. Leaves:alternate, simple and entire, thick and leathery 2-12cm long x 0.5-4 cm wide, dull grey below.

Similar to: Sand live oak, (Quercus virginiana) which does not have depressed veins and revolute leaf margins (looking like a boat when looked at from the bottom). The bark is not as rough either.


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Flora of North America Illustrations including both Sand Live Oak and Live Oak


See specimens in the FSU herbarium.


Map of sand live oaks on FSU grounds in Tallahassee







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