- two-flowered senna
- ejotillo del monte (Spanish)
Native Geographic Range
- Southwestern North America
Cultivation Status in AZ
Deciduous shrubs to 10 ft (3 m) high (or more in tropical climates) with slender stems and smooth bark. Leaves are once-pinnate with 3--11 pairs of dark green, rounded to oval leaflets. Showy yellow flowers appear during much of the year with sufficient warmth and moisture.
This variable species is widely distributed in tropical regions of Mexico, the Caribbean, Central America, and South America in many habitats and various soil types. The plants in this field originated as seeds from southeastern Sonora, Mexico, in tropical deciduous forest.
Two-flowered senna is not generally available from nurseries. The stems freeze at around 24° F (-4.4° C) but resprout and grow rapidly the following season with sufficient irrigation. This species will grow will with substantial shade.