Buds & Nuts Flashcards
Black Walnut
Juglans nigra
Walnut Family
Buds are light brown and covered in short fuzz, the terminal bud round to oval and slightly flattened

Black Walnut
Juglans nigra
Walnut Family
Buds are light brown and covered in short fuzz, the terminal bud round to oval and slightly flattened

Black Walnut
Juglans nigra
Buds are light brown and covered in short fuzz, the terminal bud round to oval and slightly flattened
Leaf scars are more or less Y or heart-shaped with a notch at the tip

Ohio Buckeye
Aesculus glabra
Horse Chestnut Family
Terminal buds very large, ½+ inch long, smaller below, egg shaped with a pointed tip. Bud scales are also egg-shaped with pointed tips, dull, light brown colored, and the tip edge slightly spreading

Ohio Buckeye
Aesculus glabra
Horse Chestnut Family
Terminal buds very large, ½+ inch long, smaller below, egg shaped with a pointed tip. Bud scales are also egg-shaped with pointed tips, dull, light brown colored, and the tip edge slightly spreading

Ohio Buckeye
Aesculus glabra
Horse Chestnut Family
Fruit is a fleshy, globular capsule, 1½ to 2 inches diameter, golden brown, the surface leathery and covered in short spines, though may be just bumpy rather than spiny.

Black Walnut
Juglans nigra
Walnut Family
These nuts are covered with thick green husks that later become yellowish brown and finally black. The husks are covered with a pimply surface and they are aromatic.

American Sycamore
Plantus occidentalis
Plane Tree Family
lateral buds are reddish, resinous, with a single, cap-like scale

American Sycamore
Plantus occidentalis
Plane Tree Family
lateral buds are reddish, resinous, with a single, cap-like scale

American Sycamore
Plantus occidentalis
Plane Tree Family
A spherical multiple of achenes borne on a 3 to 6 inch stalk. Each seed is tiny, winged, and 1/2 inch long; maturing in November, disseminating in late winter.

American Sycamore
Plantus occidentalis
Plane Tree Family
A spherical multiple of achenes borne on a 3 to 6 inch stalk. Each seed is tiny, winged, and 1/2 inch long; maturing in November, disseminating in late winter.

Boxelder
Acer negundo
Soapberry Family
Terminal buds are light colored with hair, lateral buds are tight to the twig.

Boxelder
Acer negundo
Soapberry Family
Terminal buds are light colored with hair, lateral buds are tight to the twig.

American Beech
Fagus grandiflora
Fagaceae (Oak or Beech) Family
terminal bud present, slender, 3/4 inch long, sharp-pointed, covered with light brown scales; lateral buds not much smaller than terminal bud.

American Chestnut
Castanea dentata
Fagaceae (Beech Oak) Family
buds are orange-brown, 1/4 inch long, covered with 2 or 3 scales (they somewhat resemble a kernel of wheat), buds are set slightly off center from semicircular leaf scar.

American Chestnut
Castanea dentata
Fagaceae (Beech Oak) Family
Large, round spiny husk (very sharp), 2 to 2 1/2 inch in diameter, enclosing 2 to 3 shiny, chestnut brown nuts, 1/2 to 1 inch in diameter, mostly round but flattened on 1 or 2 sides ripen in early fall

Black Oak
Quercus velutina
Fagaceae (Beech Oak) Family
Buds are 1/4 to 1/2 inch in length, sharp pointed, angled in cross section and have gray-woolly bud scales

Black Oak
Quercus velutina
Fagaceae (Beech Oak) Family
Ovoid acorns, 1/3 to 1/2 enclosed in a bowl-shaped cap; cap scales are loosely appressed (particularly loose on edges of cap), light brown and fuzzy

Bur Oak
Quercus macrocarpa
Fagaceae (Beech Oak) Family
Quite stout, yellow-brown, often with corky ridges; multiple terminal buds are small, round, and may be somewhat pubescent often surrounded by thread-like stipules; laterals are similar, but smaller.

Bur Oak
Quercus macrocarpa
Fagaceae (Beech Oak) Family
Acorns are quite large (1 1/2 inches long) and 1/2 enclosed in a warty cap that has a long-fringed margin
Shagbark Hickory
Carya ovata
Juglandaceae (Walnut) Family
Buds are brown and the terminal bud is very large and hairy with 8 to 10 small brown scales but the inner scales become quite large and colorful as the bud breaks and the leaves are forming.
Shagbark Hickory
Carya ovata
Juglandaceae (Walnut) Family
leaf scars are raised, 3-lobed to semicircular - best described as a “monkey face” (Typical of walnut family)
Red Maple
Acer rubrum
Sapindaceae (Soapberry) Family
buds usually blunt, green or reddish (fall and winter) with several loose scales usually present, leaf scars V-shaped, 3 bundle scars, lateral buds slightly stalked, may be collateral buds present
Black Willow
Salix nigra
Salicaceae (Willow) Family