bulbous yam
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Dioscoreales
- family: Dioscoreaceae
- genus: Dioscorea
- species: Dioscorea pilosiuscula
San Rafael
AlajuelaNicoya
GuanacasteLa Asunción
San Antonio
Heredia
Costa RicaSan Francisco Menéndez
Ahuachapán
El SalvadorMatoury
Guyane
French GuianaBaie-Mahault
Guadeloupe
Guadeloupe