Plants · La Saladita, Guerrero

Oneleaf Senna

Senna uniflora

Spanish: Cacahuatillo

Oneleaf Senna (Senna uniflora)
Photographed by zihuadean on iNaturalist · CC-BY-NC

Senna uniflora, the oneleaf senna, is a species of flowering plant in the family Fabaceae. It is native to Mexico, Central America, the Caribbean, Colombia, Venezuela, and most of Brazil, and has been introduced to India, Mauritius, and Réunion. Although it is somewhat weedy and invasive, it is used to out-compete the pernicious weed Parthenium hysterophorus. Most often recorded in Jan, Oct, Nov.

TaxonomyMagnoliopsida › Fabales › Fabaceae
Local records6 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)
Global records1,504 on iNaturalist
Recorded here2020 – 2025
Months recorded near La Saladita
JanFebMarAprMayJunJulAugSepOctNovDec
Recent local sightings

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

Cite as: “Oneleaf Senna (Senna uniflora) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/senna-uniflora/, 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.