Vulnerable
Robust heterophyllous perennials from a woody caudex; stems 3-7.5 dm tall, puberulent, often branching midway up the stem; leaves of the branches linear, about 1 mm wide and 25 mm long; leaves of the main stem 3-6 mm wide, 6-11 cm long, isophyllous a...
Biennial, 20-37 cm tall; stems solitary to several, usually erect, leafy, densely covered with sessile to short-stalked, 3-celled, light-colored capitate glands with some short and longer simple nonglandular hairs; leaves 1-6 cm long, 0.5-2 cm wide, ...
Stems mostly reddish; sepals acute, often with puple coloring, persistent in fruit; petals white to pale pink, five; stamens yellowish or matching petal color, 5 (rarely to 10); flowers open in afternoon; fruit are pointed apically and three-angled, ...
Erect shrub 1-2 m tall; leaves opposite, ovate, ovate-lanceolate or narrowly elliptic, margins entire, 10-35 mm long, 4-17 mm wide, glabrous or glabrescent above, sparsely villous hairy below, petiole about 2 mm long; flowers usually solitary (rarely...
Annual or biennial, densely pubescent; trichomes sessile or short-stipitate, smooth or fine granular, rays long and slender, simple or infrequently forked near base, not appressed, some rays erect; stems several, stout and erect or the outer ones dec...
Annual herbs, stems 2-15 cm tall, succulent, branches ascending, yellow-white or reddish-purple, glabrous or sparsely farinose; leaves entire, alternate, fleshy, ovate to suborbicular, 5-15 mm long; flowers monoecious; bracts of female flowers triang...
Sticky-hairy annual up to 1 m or more across, stems spreading, branched; leaves stalked, the blades more or less triangular to rounded, heart-shaped in outline, 8-12 cm in diameter, wavy on margins; flowers in small clusters, usually hidden by foliag...