Spermacoce confusa
Iron Grass, River False Buttonweed
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Rubiaceae
- WCVP Morphological Data: Recorded natively as a annual.
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Originating in North America and South America, Spermacoce confusa (commonly known as Iron-Grass or River False Buttonweed) is an annual belonging to the Rubiaceae family. Within its native range, this species is primarily associated with seasonally dry tropical conditions.
Macro Climate
Tropical
Plant Type
Annual
Native Range
Continents (WGSRPD)
NORTHERN AMERICA, SOUTHERN AMERICA
Regions (WGSRPD)
Brazil, Caribbean, Central America, Mexico, Northern South America, Southeastern U.S.A., Southern South America, Western South America
Botanical Countries (WGSRPD L3)
Argentina Northwest, Aruba, Bahamas, Bolivia, Brazil Northeast, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Florida, Guatemala, Honduras, Jamaica, Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Netherlands Antilles, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Trinidad-Tobago, Turks-Caicos Is., Venezuela
Introduced Range
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
West Himalaya