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Sphenosciadium capitellatum
Sphenosciadium capitellatum A. Gray
Woollyhead Parsnip, Swamp Whiteheads
Apiaceae (Carrot Family)
Synonym(s):
USDA Symbol: SPCA5
USDA Native Status: L48 (N)
A stout tall plant with numerous tiny white flowers in compact, separate, white "buttons" at ends of hairy branches.
The genus name comes from the Greek sphen ("wedge") and skias ("umbrella"), probably referring to the shape of the flower cluster.
From the Image Gallery
No images of this plant
Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Schizocarp
Size Notes: Up to about 6 feet tall.
Bloom Information
Bloom Color: White , PurpleBloom Time: Jul , Aug
Bloom Notes: White to purplish.
Distribution
USA: CA , ID , NV , ORNative Distribution: Eastern Oregon and central Idaho south to southern California mountains.
Native Habitat: Wet meadows, swamps, and streambanks from foothills to moderate elevations.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACW | FACW |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Santa Barbara Botanic Garden - Santa Barbara, CA
Web Reference
Webref 30 - Calflora (2018) CalfloraWebref 36 - Jepson eFlora (2019) The Jepson Herbarium, University of California, Berkeley
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Sphenosciadium capitellatum in USDA PlantsFNA: Find Sphenosciadium capitellatum in the Flora of North America (if available)
Google: Search Google for Sphenosciadium capitellatum
Metadata
Record Modified: 2023-06-08Research By: TWC Staff