Succulent perennial herb; taproot tuberous, roughly globose to broadly napiform, up to 5 cm in diameter (usually less); stems short, usually not extending above the ground surface, terminated by a leafy rosette 5-15 cm in diameter; leaves terete, 3-1...
Perennial herb; stems 15-40 cm tall, branching above, faintly scabrous-hairy; leaves oblong to somewhat oblong-oval in outline, blade 1.5-14 cm long, 1-9 cm wide, 2- to 3-times pinnately parted, the ultimate divisions linear, acute-mucronate at tips,...
Dwarf annual with 1 to many stems; leaf blades about 1 mm broad, flat or involute, short; culms mostly 5-15 cm tall; panicle narrow, few-flowered, the branches erect-appressed; spikelets 4-6 mm long; glumes shorter than the first floret, broad, stron...
Herbaceous perennial, 4-11 dm tall, with 1-several stems; leaves glabrous, opposite or whorled, broadly lanceolate to ovate, coarsely serrate, thin, 6-8 cm long; inflorescence a loose, few-branched, terminal panicle, somewhat glandular pubescent; flo...
Perennial; stems several from woody crown, 2-5 dm tall, usually freely branching, puberulent and glandular, at least in inflorescence; basal leaves puberulent, oblanceolate, (5)10-18 cm long, 1-2 cm wide, attenuate to long petioles; cauline leaves 1-...
Perennial; stems several from woody, thickened crown and short rootstock, 1-3 dm tall, simple or branched, more or less decumbent at base, densely pubescent and glandular throughout; leaves (2)3-6 cm long, 4-14 mm wide; stem leaves very numerous, the...
Perennial herb with slender rhizomes; stems erect, growing in clumps, but not densely matted, 9-18 cm tall, glabrous; leaves opposite, sessile, linear to linear-lanceolate, 27-35 mm long, ciliate at base; flowers solitary in upper leaf axils; peduncl...
