Quercus macrocarpa
(Bur Oak)

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Flowering Branches

Flowering Branches


Two Flowering Branches



Early Leaf Top


Early Leaf Bottom


Early Leaf Top


Early Leaf Bottom


Staminate Catkins


Staminate Catkin


Staminate Flower Top, Stage 1


Staminate Flower Top, Stage 2


Staminate Flower Top, Stage 3


Staminate Flower Top, Stage 4


Staminate Flower Side/Bottom


Staminate Flower Bottom


Pistillate Flowers


Pistillate Flowers


Pistillate Flower Top


Pistillate Flower Top


Pistillate Flower, Side A


Pistillate Flower, Side B


Pistillate Flower Side


Fruiting Branch


Acorn Top


Acorn Top


Cupule Bottom


Cupule and Acorn Cross Section