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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Koanophyllon solidaginifolium

Koanophyllon solidaginifolium (A. Gray) King & H. Rob.

Shrubby Thouroughwort, Shrubby Umbrella Thouroughwort

Asteraceae (Aster Family)

Synonym(s): Eupatorium solidaginifolium

USDA Symbol: KOSO

USDA Native Status: L48 (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Subshrub
Leaf Arrangement: Opposite
Leaf Shape: Lanceolate
Leaf Pubescence: Glabrous
Leaf Margin: Entire
Leaf Apex: Acuminate
Leaf Base: Rounded
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White , Yellow , Purple
Bloom Time: Sep , Oct , Nov
Bloom Notes: Flowers usually white, sometimes purple-tinged to yellowish, 2.5–3 mm. (3). Flowering: (Jun–)Sep–Nov(–Dec). (Webref 3).

Distribution

USA: AZ , NM , TX
Native Distribution: Texas, Nevada, New Mexico and the Mexican states of Chihuahua, Coahuila, Durango and Zacatecas.
Native Habitat: Canyon walls, ledges, slopes, talus, limestone hills and ridges, on and among rocks, in woods along streams. (Webref 3).

Wildflower Center Seed Bank

LBJWC-1146 Collected 2007-11-09 in Brewster County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Bibliography

Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. Johnston

Search More Titles in Bibliography

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

Record Modified: 2012-09-17
Research By: WMWW

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