- Acacia angustissima – Prairie Acacia
- Acacia constricta – Whitethorn Acacia
- Acacia greggii – Catclaw Acacia
- Caesalpinia gilliesii – Bird-of-paradise Shrub
- Calliandra eriophylla – Fairyduster
- Coursetia glandulosa – Rosary Babybonnets
- Crotalaria pumila – Low Rattlebox
- Dalea albiflora – Whiteflower Prairie Clover
- Dalea candida – White Prairie Clover
- Dalea formosa – Featherplume
- Dalea nana – Dwarf Prairie Clover
- Dalea pringlei – Pringle's Prairie Clover
- Dalea pulchra – Santa Catalina Prairie Clover
- Dalea purpurea – Purple Prairie Clover
- Erythrina flabelliformis – Coralbean
- Hoffmannseggia glauca – Indian Rushpea
- Lotus humistratus – Foothill Deervetch
- Lotus rigidus – Shrubby Deervetch
- Lotus strigosus var. tomentellus – Strigose Bird's-foot Trefoil
- Lupinus arizonicus – Arizona Lupine
- Lupinus bicolor – Miniature Lupine
- Lupinus concinnus – Bajada Lupine
- Lupinus sparsiflorus – Coulter's Lupine
- Lupinus succulentus – Hollowleaf Annual Lupine
- Macroptilium gibbosifolium – Variableleaf Bushbean
- Marina parryi – Parry's False Prairie-clover
- Medicago lupulina – Black Medick
- Medicago sativa – Alfalfa
- Melilotus indicus – Annual Yellow Sweetclover
- Melilotus officinalis – Yellow Sweetclover
- Mimosa aculeaticarpa var. biuncifera – Catclaw Mimosa
- Mimosa dysocarpa – Velvetpod Mimosa
- Olneya tesota – Desert Ironwood
- Parkinsonia aculeata – Jerusalem Thorn
- Parkinsonia florida – Blue Paloverde
- Parkinsonia microphylla – Yellow Paloverde
- Phaseolus acutifolius var. tenuifolius – Tepary Bean
- Phaseolus parvulus – Pinos Altos Mountain Bean
- Prosopis velutina – Velvet Mesquite
- Psoralidium tenuiflorum – Slimflower Scurfpea
- Robinia neomexicana – New Mexico Locust
- Senna covesii – Coves' Cassia
- Senna hirsuta var. glaberrima – Woolly Senna
- Senna wislizeni – Wislizenus' Senna
Fabaceae – Pea Family
Plants in the worldwide Pea Family (Fabaceae) are annual and perennial herbs, subshrubs, shrubs, trees, and vines with alternate, usually compound leaves, generally pea-shaped flowers with 5 petals (an upper banner petal, 2 side wing petals, and 2 fused lower keel petals), 5 sepals, and a superior ovary, and fruit in the form of a 2-valved pod known as a legume.
Listed below are some of the southeastern Arizona plants in this family.