Semi-woody, profusely branched, erect perennial; stems 20-100 cm long; leaves ovate, lanceolate, or elliptic, 2-3 times longer than wide, 8-12 mm long, grayish green because of light pubescence especially on lower surface; flowers rose-pink, 12-25 mm...
An herb differing from other Agastache by having attenuate calyx teeth 1/4 the total length of the calyx or more, herbaceous stems, a calyx tube that is straight or nearly so and 2-4 mm in diameter when pressed, with straight and conspicuous costae. ...
Shrub, much branched; stems stout, glandular above, bark exfoliating; leaves alternate, simple, petiolate, ovate to lanceolate, averaging 35 mm long, somewhat thick and succulent, glabrous or nearly so, acute at the apex, rounded to cuneate at the ba...
Plants forming large clumps or stands from stout rhizomes; culms 50-90(100) cm tall, shorter to longer than the leaves; leaf blades (5)7-15(20) mm wide, the sheaths pale green to reddish, sometimes red-spotted; inflorescence 15.5-26 cm long, composed...
Small tree or shrub to 3 m tall; branches thorny, the thorns purplish brown, 3-4 cm in length; leaves simple, alternate and rhombic in outline, margins with 3-4 broad lobes on each side of the upper two-thirds of the leaf, these lobes with fine margi...
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,...
Herbaceous perennials to 1 m tall or more, stems erect. Leaves: Alternate, usually 3-5, orbiculate to broadly ovate or oblanceolate to elliptic-lanceolate, 8-21 cm long and 1.5-12 cm wide, erect to spreading, proximal or more evenly spaced ...