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Native Plant Database

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Psilostrophe cooperi (White-stem paper-flower)
Bransford, W.D. and Dolphia

Psilostrophe cooperi (Gray) Greene

White-stem paper-flower, Whitestem paperflower, Yellow paper daisy

Asteraceae (Aster Family)

USDA Symbol: PSCO2

USDA Native Status: Native to U.S.

White-stem paper-flower is a small, deciduous sub-shrub with many erect, white-woolly stems rising 8-20 in. from the base. Flowers are showy and yellow, terminating the upper branches. Many well-branched leafy stems, woolly at the base, form a nearly round plant covered with loose wool, usually bearing only one yellow flower head at the end of each branch. The ray flowers turn papery and persist long after they have lost their yellow color.

White-stem Paperflower forms brilliant yellow globes. Its rays become dry and papery, remaining on the plant long after flowering. There are several closely related species.

 

From the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub
Fruit:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun , Oct , Nov , Dec

Distribution

USA: AZ , CA , NM , NV , UT
Native Distribution: Extreme s.w. UT & w. NM to s. CA & n.w. Mex.
Native Habitat: Deserts & mesas; 2000-5000 ft.
USDA Native Status: L48(N)

Growing Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Rocky soils.
Conditions Comments: The main bloom period is in spring, but if summer rains have been good, the plants will flower again in fall.

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Psilostrophe cooperi in USDA Plants
FNA: Find Psilostrophe cooperi in the Flora of North America (if available)
Google: Search Google for Psilostrophe cooperi

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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