rattlebox Fabaceae Sesbania punicea (Cav.) Benth. Listen to the Latin symbol: SEPU7 Other Fact Sheets
Leaf: Alternate, compound, 5 to 7 inches long, 7 to 16 pairs of small, elliptical leaflets (each 1 inch long), dark green above, paler below.
Flower: Very attractive orange-red pea-like flowers in hanging clusters appearing in late spring and early summer.
Fruit: Dark brown legume ending in a sharp point, 3 to 4 inches long with 4 conspicuous longitudinal wings, appear in early summer and ripen by fall.
Twig: Slender, green for an extended period but eventually hardening off and turning dark reddish brown, no obvious buds.
Bark: Grayish brown to reddish brown, numerous horizontal lenticels.
Form: A small tree with a spreading open crown reaching 6 to 8 feet in height. It often forms dense thickets.

Looks like: mimosa - desert false indigo
leaf flower fruit twig bark form1 map
Additional Range Information:
Sesbania punicea is planted in the USDA hardiness zones shown above and may seed into the landscape. See states reporting rattlebox.
External Links:
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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