Cleomella angustifolia, the narrowleaf rhombopod, is a plant species native to the south-central United States. It grows in roadsides, grasslands, stream banks, and pond shores in Texas, Oklahoma, Kansas, Nebraska and Colorado.Flora of North America v 7 p 210.
Cleomella angustifolia is an herb up to 200 cm tall. Leaves are pinnately compound with 3–8 pairs of leaflets. Flowers are yellow-orange, up to 15 mm across. Capsules are rhomboidal, up to 12 mm across.Torrey, John. 1850. Hooker's Journal of Botany and Kew Garden Miscellany 2: 255.Great Plains Flora Association. 1986. Flora of the Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
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