Plants · La Saladita, Guerrero

Burrowing four-o’clock

Okenia hypogaea

Spanish: hierba mora

Burrowing four-o’clock (Okenia hypogaea)
Photographed by adanml on iNaturalist · CC-BY-NC-ND

Okenia hypogaea, commonly known as beach peanut or burrowing four-o'clock, is a species of flowering plant in the family Nyctaginaceae. It is an annual native to tropical North America, ranging from northern Mexico to Nicaragua and to southern Florida. It is the sole species in genus Okenia.

TaxonomyMagnoliopsida › Caryophyllales › Nyctaginaceae
Conservation statusNatureServe: G3?
Local records24 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)
Global records995 on iNaturalist
Most recent records2023 – 2025
Months of the 8 most recent records
JanFebMarAprMayJunJulAugSepOctNovDec
Recent local sightings

Cite as: “Burrowing four-o’clock (Okenia hypogaea) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/okenia-hypogaea/, 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.