Contemporary Circumscription Compared with A Utah Flora 4th ed.
Bio430
Juglandaceae
No differences.
Key Features
Monoecious (rarely dioecious) aromatic trees with estipulate compound pinnate leaves, inferior ovaries of 2 carpels, fruit a nut, samara, or drupaceous nut.
Juglans nigra (black walnut)
Juglans nigra - female flowers at time of pollination
Juglans nigra
Juglans nigra - cross section and long section through maturing fruits
Juglans regia - english walnut
Juglans regia male flowers
Juglans regia (English walnut) - nut embedded in blackened husk (bracts)
Juglans regia (English walnut) - hard pericarp is formed of two halves...which attests to ovary being formed from two fused carpels
Carya (pecan)
Carya (Pecan)
Carya (hickory) male catkins
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