Family: Rosaceae,
Rose
Genus: Potentilla
Description
General: perennial with a heavy woody root crown, stems
numerous, 15-30 cm tall, grayish-woolly-hairy.
Leaves: mainly alternate, 5-10 per stem, leaflets usually
5, palmate, oblanceolate, 1-2 cm long, cut 1/2-3/4 to the
midvein into about 5-9 lanceolate to narrowly oblong teeth,
the edges rolled under lengthwise. Upper surface greenish
with some silky to stiff hairs, lower surface grayish-woolly-
hairy. Stipules lanceolate, entire, 4-8 mm long.
Flowers: several in an open, compound cluster, with
leafy bracts at the lower nodes. Calyx flat-silky-hairy, 4-6
mm broad, the 5 sepals ovate-lanceolate, 2-3 mm long.
Petals 5, yellow, obovate to wedge-shaped, rounded to
slightly notched, equaling or barely exceeding the sepals.
Stamens usually 20. Pistils numerous, styles thickened
and glandular-warty at base, considerably tapered upward.
Flowering time: June-July.
 Fruits: achenes, 0.6-0.8 mm long, lightly net-veined,
with the style on top, about the same length.
Distribution
Dry, gravelly areas, sandy meadow-land, ponderosa pine
forest, disturbed areas, in w. and c. parts of MT. Also in
scattered localities in various parts of s. Canada, WA, ID
and in e. U.S. Introduced from Europe. |
|
|
|
(click on image for full size)
|
