Asteraceae

San Patricio tansyaster

Psilactis heterocarpa (R.L.Hartm. & M.A.Lane) D.R.Morgan

Family: Asteraceae
Genus: Psilactis

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San Patricio tansyaster: Welder Machaeranthera — Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons

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Common names

By language (1)

English: San Patricio tansyaster

Synonyms

Machaeranthera heterocarpa R.L.Hartm. & M.A.Lane

Characteristics

Growth habit: Forb/herb
Lifespan: Annual
In the US and Canada: Lower 48 states: native

Photos

Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons
Photo: Sam Kieschnick, CC BY 4.0, from Wikimedia Commons

More in Psilactis

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.