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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: PerennialHabit: 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 , PurpleBloom 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 , TXNative 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 CenterBibliography
Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. JohnstonSearch 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 PlantsFNA: Find Koanophyllon solidaginifolium in the Flora of North America (if available)
Google: Search Google for Koanophyllon solidaginifolium
Metadata
Record Modified: 2012-09-17Research By: WMWW