ROUGH CINQUEFOIL, Potentilla
norvegica L. 1, base of plant, with roots; 2, top
of plant, in bloom; 3, flower; 4, seed; 5, distribution.
Annual, winter annual, or biennial, reproducing
by seed. Stems rough, hairy, semierect or spreading, 1 to 3 feet
(30 to 90 cm) tall. Leaves palmately divided like strawberry, with
3 leaflets; alternate, usually hairy, coarsely toothed. Flowers
small, inconspicuous, yellow, in clusters at tips of branches. Seeds
1/32 inch (0.8 mm) long, light brown, conspicuously marked. Found
in fields, meadows, pastures, roadsides, and wasteland.
SULPHUR CINQUEFOIL, Potentilla recta
L. 6, lower part of plant; 7, top of plant, in bloom; 8,
flower; 9, seed; 10, distribution. Perennial, reproducing
by seed. Stems rough, stiffly erect, 1 to 3 feet (30 to 90 cm) tall,
hairy. Leaves alternate, palmately divided with 5 to 7 coarsely
toothed leaflets; hairy, pale beneath. Flowers conspicuous, sulphur
yellow, 1 inch (2.5 cm) across, in terminal clusters. Seeds dark
brown, with minute ridges. Found in same kinds of places as above.