Caesalpinia gilliesii (Wall. ex Hook.) Wall. ex D. Dietr.
Poinciana gilliesii Wall. ex Hook.
Yellow bird-of-paradise, desert bird-of-paradise, bird-of-paradise shrub
The yellow bird-of-paradise is a small tree or shrub, originally from Argentina. The plant has become naturalized through much of the American southwest. It is popular as an ornamental plant. See also the red bird-of-paradise.
Identification: Plants are as high as 10' (3 m), spreading 4-6' (1.2-1.8 m). Leaves are “bipinnate”—in opposing groups of opposing groups. Enlarge the photo below to see the leaves. The fruits are curled fuzzy tan pods. The bright yellow flowers have long thin red stamens.
Edibility: Seeds and seedpods are very poisonous.
Caesalpinia gilliesii on Vascular Plants of the Gila Wilderness
Caesalpinia gilliesii on cals.arizona.edu
Caesalpinia gilliesii on Wikipedia
Caesalpinia gilliesii at Southeastern Arizona Wildflowers and the Plants of the Sonoran Desert
Caesalpinia gilliesii on CalPhotos
Caesalpinia gilliesii on Wikimedia Commons
Caesalpinia gilliesii at Chris A. Martin's site at Arizona State University
Caesalpinia gilliesii on SEINet—the Southwest Environmental Information Network
Caesalpinia gilliesii description by Thomas H. Kent, last updated 25 May 2020.