Cottonwood Trees

Cottonwood Trees

By Davina Barril

Multiple Choice

Miles of roots pump water from deep in the ground and carry it up to the massive canopy of _____, providing shade that keeps the water cool for salmon and other species.

• branches

• sprouts

• roots

• leaves

Cottonwood is a fast-growing tree that can reach 150-200 feet tall with a typical lifespan of 130 years.

​Some text here about the topic of discussion.

​Cottonwood Tree Limbs

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Multiple Choice

Winter cottonwood buds are large and full of fragrant yellow, orange, or red-colored _____.

• berries

• resin

• flower

• grapefruit

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Multiple Choice

Male and female flowers grow on _______ trees.

• separate

• same

• same then separate

Multiple Choice

Female flowers form four- inch-long catkins with light green _______.

• cacoons

• hairs

• capsules

• polyps

Multiple Choice

Cottonwood fluff can be so thick it looks like____in the early summer.

• butterflies

• rabbit fur

• dandelion

• snow

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Multiple Choice

What can you harvest in the early spring?

• Cottonwood buds are ready to harvest in late winter to early spring (January through March).

• Leaves are harvested in spring through summer when they are fully developed and look vibrant.

• The bark can be harvested in any season, but is most potent in spring and fall. 

Multiple Choice

A compound called Salicin, which is found in the leaves, buds, and bark lowers fevers and _______ _________ and ____. The bark tea is most commonly used for internal medicine and has a bitter yet aromatic flavor. 

• drops pitch, stains

• reduces inflammation, pain.

• spreads pollen, sap

Multiple Choice

CAUTION: People who are allergic to ______ or ____ should avoid using cottonwood topically or internally. 

• bees, aspirin

• cats, dogs

• trees, flowers

• dust, mites

Multiple Choice

Fluffy seeds fly in the wind, land on open soil, and then germinate within a ___.

• week

• month

• year

• day

Multiple Choice

If soil levels build up during flooding, cottonwood trunk tissue can sprout ____.

• leaves

• new limbs

• roots

• pollen

Multiple Choice

Black cottonwood can grow in soil with a lack of nitrogen because it partners with a nitrogen-fixing bacteria called Rhizobium tropici, which live in the _____.

• leaves

• stems

• soils

• water

Multiple Choice

The bacteria fixes nitrogen from the ___ and converts it to a form that cottonwood can use as fertilizer in the soil. 

• leaves

• water

• air

• mud