Potentilla argentea silvery cinquefoil Rosaceae POAR3*; Bx, pb; Q, j, tl; K, fs, m, p; R, hs;

 

Potentilla argentea.de.wikipedia.org

Potentilla anserina.de.wikipedia.org. (Accessed 4/2014).

Potentilla argentea isa perennial herb, several stems from a woody root, stems radially branched, wooly-hairy, whitish, often reclining, 10-50 cm long. 

Leaves alternate, palmately divided, leaflets 5 to 7, to 3 cm long, narrow, pinnately divided, margins toothed, widest above middle, dark green above, silvery-wooly below, forming a winter rosette. 

Flowers yellow, radially symmetrical, to 1.5 cm wide, petals about as long as sepals; inflorescence of open clusters; self fertile (agamospermy), (Mulligan and Kevan 1973), visited by tiny bees (personal observation) blooming June-Sept.. 

Fruit a head of achenes; seeds eaten by some birds and small mammals, foliage eaten by rabbits (Martin et al. 1951). 

Wetland status: UPL. 

Frequency in NYC: Infrequent. 

Origin: Eurasia. 

Habitat: Open, dry, disturbed areas, roadsides, meadows. 

Note: Attacked by the fungi; Fabraea dehniiMarssonina potentillaePeronospora potentillae (Werner and Soule 1976; Sinclair et al. 1987).