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Rattlebox

Sesbania punicea

Also called Brazilian Glory Pea, Coffeeweed, Rattlepod, Red Sesbania, Brasilean Glory Pea, Glory Pea, Scarlet Sesbane

Rattlebox
Photo: JMK, CC BY-SA 4.0

Rattlebox is a fast-growing, deciduous shrub or small tree with drooping red-orange flowers, grown mainly outdoors in warm climates. It needs plenty of moisture and thrives in wet or marshy spots.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Shade
Water
Keep the soil consistently moist; it tolerates waterlogged ground.
Soil
Moist, slightly acidic soil, pH about 6.1 to 6.5.
Temperature
18 to 32 °C; damaged by frost, protect below about 5 °C.
How easy
Easy
Safety
Toxic: Seeds and plant parts contain saponic glycosides; ingestion can cause vomiting, diarrhea, respiratory failure and, in severe cases, death.
Native range
C. & S. Brazil to NE. Argentina
Climate
subtropical

About

Sesbania punicea (Spanish gold, rattlebox, or scarlet sesban) is an ornamental shrub with reddish-orange flowers native to South America. It has deciduous leaves and grows to a height of 15 feet (4.5 m). This plant has a high demand for water, and thrives in swamps or wet areas. It requires a mildly acidic soil, with a pH between 6.1 and 6.5.

Safety

Sesbania puniceas contains toxic saponic glycosides. The poison can be dangerous to local birds and mammals. Humans who ingest this plant or its seeds may become very sick and may suffer vomiting, diarrhea, respiratory failure, and death.

Where it grows

The species is native to Brazil, Argentina, Paraguay and Uruguay. It has spread to other parts of South America and many coastal southern United States as well as to parts of Africa. Due to its high demand for water, this species is often found on marshy shorelines. It also forms dense thickets and thrives in disturbed areas.

Other Sesbania plants

Dunchi fiber · Sesbania · Sesbania chippendalei · Poisonbean · Dragon Flowertree · Vegetable hummingbird · Bigpod sesbania · Sesbania madagascariensis · Sesbania mossambicensis · Sesbania pachycarpa · Sesbania rostrata · Papagayo

Text excerpted from the Wikipedia article Sesbania punicea by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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