Bataw
Definition
Bataw is the Filipino name for the hyacinth bean (Lablab purpureus), a vigorous climbing vine cultivated in Philippine gardens for its tender young pods, immature seeds, and edible leaves and flowers. The plant bears showy purple or white flowers and flat, purple-veined pods that are harvested young and cooked as a everyday vegetable, typically sauteed with garlic, onions, and shrimp or added to mixed vegetable stews. Drought-tolerant and at home on backyard trellises, bataw is a traditional minor crop valued for yielding food with little care.
Identities
| Source Type | Identity |
|---|---|
| Wikipedia | Lablab purpureus |
| Wikidata | Q16625423 |
| DBpedia | Lablab purpureus |
Also Known As
Hyacinth bean; lablab; Egyptian bean; seim bean; bataw (Tagalog); patani-bagingan in some older references; parda (from Spanish, in some markets).
Examples and Analogies
Bataw is to Philippine backyard trellises what sitaw (string bean) is to commercial farms — a climbing bean harvested for its young pods — but bataw’s ornamental purple flowers and hardy constitution make it as much garden fixture as crop, much like its cousin the decorative hyacinth bean of temperate gardens.
Usage Scenarios
Families harvest young bataw pods for ginisang gulay and bulanglang or dinengdeng-style vegetable stews, often with bagoong for flavor. The vine doubles as a living fence or shade cover over garden pergolas, and its flowers and dried seeds occasionally appear in school gardening modules illustrating legumes.
Strategies
Gardeners sow bataw at the onset of rains, provide sturdy trellises, and pick pods every few days to prolong production; the vine tolerates poor soils and dry spells better than most vegetables thanks to its deep roots and nitrogen-fixing nodules. Letting a few pods mature supplies seeds for the next season and dry beans for cooking after thorough boiling.
Security and Safety Measures
Young pods cooked as a vegetable are the standard food use; mature dried seeds contain higher levels of cyanogenic glycosides and must be boiled thoroughly (with cooking water discarded) before eating, a precaution traditional practice already observes. As with all legumes, proper cooking also improves digestibility.
Historical Context
Lablab purpureus was domesticated in Africa and spread through ancient trade to South and Southeast Asia, reaching Philippine gardens well before colonial botanical inventories. Twentieth-century Tagalog and Visayan word lists record bataw as a household vegetable, and agricultural extension literature has long listed it among dependable low-input crops for rural food security.
Challenges and Controversies
Bataw has faded from commerce as market vegetables shifted to high-yield staples like sitaw and Baguio beans, surviving mainly in rural gardens — a decline nutrition advocates cite when arguing for the revival of traditional legumes. Its raw-mature-seed toxicity is occasionally flagged in foraging discussions online, underscoring the importance of traditional cooking knowledge.