Annua?, vel biennis?, humilis decumbens, 10 cm. alta, basi ramosa vix lignosa; rami simplices subangulati pubescentes laxe foliati, ad 20 cm. longi; stipulae setaceae 2-3 mill. longae; folia heteromorpha utrinque strigosa, inferiora minora petiolo communi 1 cm. longo foliolis oblongis integris obtusis 1-1.2 cm. longis, superiora gradatim majora ad 7 cm. longa, petiolo communi 1.9-4 cm. longo, petiolulis 1 mill. longis, foliolis oblongis lanceolato-oblongisve integris inciso-dentatisve subobtusis mucronulatis, terminali ad 4 cm. longo, 4-6 mill. lato, lateralibus minoribus; racemi axillares, petiolis duplo breviores, 3-5-flori, pedunculis 4-6 mill. longis, pedicellis brevissimis; calyx turbinatus strigosus, segmentis setaceis tubo subaequilongis; corolla glabra, 4-5 mill. longa, calycem 2-3-plo superans; legumina erecto-patentia lineari-oblonga subturgida flavescenti-hirta, stylo indurato rostrata, ad 2-8 cm. longa, 2-2.5 mill. lata.