Kearney and Peebles 1969

Duration: Perennial Nativity: Native Lifeform: Vine General: Herbaceous perennials, stems twinning and vining, plants often suffrutescent. Leaves: Alternate, pinnate, the leaflets commonly 5, to 30 mm long. Flowers: Corollas yellow, flowers papilionaceous with banner, wing, and keel petals, calyx tube glabrous, equalling or shorter than the subulate calyx teeth, flowers few, axillary, in short racemes or fascicles. Fruits: Loments, flat, few-jointed, sometimes reduced to a single segment, the terminal segment winged, samara-like, 1-2 seeded and scarcely restricted between the seeds, somewhat falcate, the terminal wing much longer than the body of the fruit. Ecology: Found from 2,500-4,000 ft (762-1219 m); flowering July-September. Distribution: Arizona; Mexico. Notes: Look for this species in the mountains of Pima county, Arizona. Ethnobotany: Unknown. Etymology: The meaning of Nissolia is unknown, while schottii is named after Arthur Carl Victor Schott (1814-1875), one of the naturalists of the Mexican Boundary Survey. Synonyms: Chaetocalyx schottii Editor: LCrumbacher2012