Plants · La Saladita, Guerrero

Red Sunflower

Tithonia rotundifolia

Spanish: acahual rojo

The red sunflower or Mexican sunflower (Tithonia rotundifolia (Mill.) S.F. Blake) is a plant in the Asteraceae family, which is native to the warmer and moister parts of North America.

TaxonomyMagnoliopsida › Asterales › Asteraceae

Local records16 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)

Global records7,750 on iNaturalist

Most recent records2021 – 2025

Months of the 8 most recent records

JanFebMarAprMayJunJulAugSepOctNovDec

Recent local sightings

2025-01-20 — observation by jwagner1960
2024-11-22 — observation by soulbiol
2024-11-03 — observation by sirenadelmanglar
2023-03-07 — observation by vctrndr
2022-10-27 — observation by santiagob1986
2022-10-24 — observation by zihuadean

Interactive card with more photos, sounds and similar species Plants guide iNaturalist Wikipedia

Cite as: “Red Sunflower (Tithonia rotundifolia) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/tithonia-rotundifolia/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.