Native Plants

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Bransford, W.D. and Dolphia

Trichoptilium incisum

Trichoptilium incisum (A. Gray) A. Gray

Yellowdome, Yellow Dome, Yellowhead

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: TRIN2

USDA Native Status: L48 (N)

A low, fragrant, lightly woolly plant bearing small, rayless, yellow flower heads on stalks much taller than jagged leaves with few forward-pointing teeth on edges.

The genus name derives from the Greek words meaning "hair" and "feather," referring to the fruit tip's dissected scales. This is the only species in the genus.

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 1 foot tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jan , Feb , Mar , Apr , May

Distribution

USA: AZ , CA , NV
Native Distribution: Southeastern California, southern Nevada, southwestern Arizona, and northwestern Mexico.
Native Habitat: Sandy or gravelly areas in deserts.

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

Metadata

Record Modified: 2023-01-30
Research By: TWC Staff

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