Polygalaceae

Yellow milkwort

Polygala rugelii Shuttlew. ex A.Gray

Family: Polygalaceae
Genus: Polygala

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Yellow milkwort: This is the aptly named Big yellow milkwort — at Jonathan Dickinson State Park. Polygala rugelii is endemic to Florida and found nowhere else. They are everywhe — Photo: Bob Peterson from North Palm Beach, Florida, Planet Earth!, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (1)

English: Yellow milkwort

Synonyms

Pilostaxis rugelii (Shuttlew. ex Chapm.) Small
Polygala reynoldsae Chapm.

Flowers

In flower: all year (from 340 flowering iNaturalist observations worldwide)

Characteristics

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

Photos

Photo: Bob Peterson from North Palm Beach, Florida, Planet Earth!, CC BY-SA 2.0, from Wikimedia Commons

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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.