Vegetable hummingbird
Sesbania grandiflora (L.) Pers.
So đũa (Sesbania grandiflora), also called agati or vegetable hummingbird, is a small leguminous tree native to South and Southeast Asia; its white or pink hummingbird-shaped flowers and its long pods (20–60 cm) are eaten, the flowers cooked in soups.
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Life cycle
From seed to productTree
A fast-growing slender small tree 3–10 m tall.
Leaves
Even-pinnate leaves with 20–40 oval leaflets.
Flower
Large flowers with petals curved like a hummingbird bill, white or pink.
Fruit
A slender, slightly curved pod 20–60 cm long.
Distribution & origin
Share of recorded occurrences by region- India & South Asia (native)30%
- Southeast Asia (native, incl. Vietnam)25%
- South China & Taiwan10%
- Oceania & the Pacific (introduced)15%
- Tropical Americas & Africa (introduced)20%
Chemical composition
Relative content in agarwood resin- Water80%
- Protein6%
- Fibre5%
- Sugars4%
- Vitamins (A, C) & minerals (Ca, Fe)3%
- Flavonoids & polyphenols2%
Uses
- Food: the (usually white) flowers are cooked in sour soup, stir-fried or made into salad — a signature vegetable of Vietnam's Mekong Delta; young leaves and pods are eaten as greens; flowers are also fried (agathi keerai in India)
- Agriculture: a nitrogen-fixing soil improver grown in intercrops; leaves and pods as fodder; stems as firewood
- Materials & landscape: bark yields coarse fibre (rope, netting); grown as an ornamental for its showy white/pink flowers that attract birds
- Folk medicine & safety: leaves, bark and flowers used traditionally for colds, fever and diarrhoea; the seeds are mildly toxic and must not be eaten
Properties
- Form
- Small tree/shrub
- Product
- Edible flowers, young leaves and pods
- Hallmark
- Hummingbird-shaped flowers; pods 20–60 cm long
- Uses
- Vegetable, soil improvement, fodder
Habitat & conservation
Vegetable hummingbird prefers a hot, humid tropical or subtropical climate and grows fast on many soils, including poor ones, along rivers, ponds and canals, on wasteland and farmland; it tolerates short waterlogging and mild drought. Native to India and Southeast Asia; widely planted across the tropics including South China, Taiwan, the Pacific islands and tropical America and Africa.
Conservation
Not individually assessed by IUCN but widely cultivated across the tropics and not threatened; regarded as Least Concern (LC). Legume family (Fabaceae), genus Sesbania — the same family as tamarind, golden shower tree and other legumes.
References
- 1Plants of the World Online — Sesbania grandiflora (L.) Pers. — Kew Science, 2026
- 2Sesbania grandiflora (vegetable hummingbird, agati) — description, distribution, uses — Wikipedia tiếng Anh, 2026
- 3So đũa (Sesbania grandiflora) — Wikipedia tiếng Việt — Wikipedia tiếng Việt, 2026
- 4大花田菁 Sesbania grandiflora — 形态、分布与利用 — Wikipedia tiếng Trung, 2026
- 5Nguồn ảnh: Forest and Kim Starr (CC BY 3.0 US); Muhammad Malik Ali (CC BY-SA 4.0); Renjusplace (CC BY-SA 4.0) — Wikimedia Commons,
- 6Nguồn ảnh: Forest and Kim Starr — thân & vỏ, quả đậu (CC BY 3.0 US); Wikimedia Commons — Wikimedia Commons,
