| Family | FABACEAE |
| Genus species | Lathyrus polymorphus Nutt. trib. Vicieae |
| Synonyms | Lathyrus decaphyllus Pursh |
| Lathyrus myrtifolius Spreng. | |
| Lathyrus ornatus Torr. & A.Gray | |
| Habitat | american prairie |
| Description | glabrous, leaflets 2-5-pairs, elliptic-lanceolate to linear-oblong, rigid, distinctly veined, lanceolate, pedicels 3-5-flowered, flowers large |
| Size | 20-30cm |
| Color | purple |
| Bloom | summer |
| Ca | |
| Type | subshrub |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | scarified seed in spring, germ. 1-3 months, 13-18°C cuttings in late summer |
| Territory |
Northern America
Northwestern U.S.A. (Colorado ) North-Central U.S.A. (Kansas , Nebraska , Oklahoma , South Dakota ) Southwestern U.S.A. South-Central U.S.A. (Texas ) Mexico (Mexico Northeast) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | FABACEAE
polymorphus hapemanii (A.Nelson) C.L.Hitchc., Univ. Wash. Publ. Biol. 15: 35 (1952)
polymorphus incanus (J.G.Sm. & Rydb.) C.L.Hitchc., ibid.
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