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Bransford, W.D. and Dolphia

Silphium albiflorum

Silphium albiflorum A. Gray

White Rosinweed, White-flowered Rosinweed, Compass Plant

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: SIAL

USDA Native Status: L48 (N)

From the Image Gallery

14 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 30 inches 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
Bloom Time: May , Jun , Jul , Aug

Distribution

USA: TX
Native Habitat: Prairie, Plains, Meadows, Pastures, Savannas, Hillsides, Slopes, Roadsides

Growing Conditions

Water Use: Low
Light Requirement: Sun
Soil Moisture: Dry
Soil pH: Acidic (pH<6.8)
Soil Description: Sandy, Gravelly, Limestone/chalky
Conditions Comments: This slow growing but extremely long-lived plant develops a tremendous taproot that can be as deep as 15 feet.

Benefit

Use Ornamental: Perennial garden, Rocky hillside
Conspicuous Flowers: yes
Interesting Foliage: yes
Attracts: Birds , Butterflies
Nectar Source: yes
Deer Resistant: Moderate

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Propagation

Propagation Material: Seeds

Find Seed or Plants

Order seed of this species from Native American Seed and help support the Wildflower Center.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Lady Bird Johnson Wildflower Center - Austin, TX

Wildflower Center Seed Bank

LBJWC-MLE-9 Collected 2009-07-10 in Lampasas County by Lady Bird Johnson Wildflower Center

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

Bibliography

Bibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Bibref 328 - Wildflowers of Texas (2003) Ajilvsgi, Geyata.
Bibref 286 - Wildflowers of the Texas Hill Country (1989) Enquist, M.

Search More Titles in Bibliography

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2023-01-16
Research By: NPC

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