Wildflowers of Tucson, Arizona
Yellow Wildflower
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Senna hirsuta var. glaberrima - Woolly Senna Senna hirsuta var. glaberrima - Woolly Senna
Scientific Name: Senna hirsuta var. glaberrima (Cassia leptocarpa var. glaberrima)
Common Name: Woolly Senna, Slim-pod Senna
Flower Color: Yellow
Plant Type: Subshrub, Shrub, Herb, Perennial
Height: 3 to 6 feet (91 cm to 1.8 m) tall or more
Date Observed: August 24, 2002 & August 9, 2003
Notes: The flowers have two, enlarged, curved, lower stamens and 5, oval petals. The 2 lowest petals are cupped. The leaves are green, pinnately compound with lanceolate leaflets, and hairless in this variety. This native plant grows in sandy washes and attracts ants.
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