button-bush

Leaves

Form

• Deciduous, opposite or whorled, simple
• Lance-shaped, taper-pointed, thin
• Stipules sharp-pointed
• Lower surface slightly hairy

Length

• 6–18 cm

Colour

• Upper surface dark green

Margin

• Smooth

Buds

Form

• Terminal bud infrequent

Twigs

Colour

• Green

Flowers

Form

• At the tips of the shoots
• In many-flowered globular clusters

Width

• 2–5 cm

Structure

• Synoecious

Fruits

Form

• In globular clusters
• On long stalks

Width

• About 2 cm

Structure

• Nutlet

Size

Height

• To 10 m

Diameter

• To 20 cm

Habitat

Site

• Along lakeshores and on other wet sites

Range

Southern Ontario, east to Nova Scotia, and south to the Gulf of Mexico