S3S4
Adenophyllum wrightii (Wright's Dogweed)
Annual, 1.5-7 dm tall, branched from the base, stems striate, glabrous; basal leaves opposite, upper stem leaves alternate, 2.5-3.5 cm long, pinnatisect, bearing a conspicuous gland at the base of each lobe; bracts below the head not lobed; flower he...
Astragalus feensis (Santa Fe Milkvetch)
Perennial; stems short, prostrate, 1-6 cm long; herbage densely villous or villosulous with basifixed hairs; leaves 4-9 cm long; leaflets (7)9-15, often folded, 3-12 mm long, 2-3 times longer than wide; stipules free; inflorescences taller than or i...