Burke: Potentilla concinna vs. Potentilla recta

	Potentilla concinna	Potentilla recta
		sulphur cinquefoil
Habit		Hairy perennial from woody base but without rhizomes, the few stems erect, branched, very leafy, 3-8 dm. tall; cauline leaves often appressed to stem by erect petioles.
Leaves		Leaves 5-7 palmately divided, the leaflets oblanceolate, strongly veined, 3-7 cm. long, serrate nearly halfway to the mid-vein; stipules 1-2 cm. long, lanceolate, laciniate above.
Flowers		Inflorescence many-flowered, flat-topped, leafy-bracteate; calyx cup-shaped, up to 12 mm. broad, the 5 lobes strongly veined, pointed, 5-9 mm. long; petals 5, yellow, obovate, with a shallow notch at the tip, up to 3 mm. longer than the sepals; stamens usually 25; pistils numerous, style sub-terminal.
Fruits		Achene strongly veined, brownish-purple, 1 mm. long.

	Potentilla concinna	Potentilla recta
Flowering time		June-August
Habitat		Roadsides, fields, trails, and disturbed ground.
Distribution	[WildflowerSearch map] [BONAP county map]	Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, but not in Yukon Territory, east across North America to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]
Origin		Introduced
Conservation status		Not of concern
Sibling taxa	P. anserina, P. argentea, P. biennis, P. breweri, P. drummondii, P. flabellifolia, P. glaucophylla, P. gracilis, P. hyparctica, P. jepsonii, P. newberryi, P. nivea, P. norvegica, P. pensylvanica, P. recta, P. rivalis, P. supina, P. villosa	P. anserina, P. argentea, P. biennis, P. breweri, P. drummondii, P. flabellifolia, P. glaucophylla, P. gracilis, P. hyparctica, P. jepsonii, P. newberryi, P. nivea, P. norvegica, P. pensylvanica, P. rivalis, P. supina, P. villosa
Web links	Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Potentilla concinna

Potentilla recta

sulphur cinquefoil

Habit

Hairy perennial from woody base but without rhizomes, the few stems erect, branched, very leafy, 3-8 dm. tall; cauline leaves often appressed to stem by erect petioles.

Leaves

Leaves 5-7 palmately divided, the leaflets oblanceolate, strongly veined, 3-7 cm. long, serrate nearly halfway to the mid-vein;

stipules 1-2 cm. long, lanceolate, laciniate above.

Flowers

Inflorescence many-flowered, flat-topped, leafy-bracteate;

calyx cup-shaped, up to 12 mm. broad, the 5 lobes strongly veined, pointed, 5-9 mm. long;

petals 5, yellow, obovate, with a shallow notch at the tip, up to 3 mm. longer than the sepals;

stamens usually 25;

pistils numerous, style sub-terminal.

Fruits

Achene strongly veined, brownish-purple, 1 mm. long.

Potentilla concinna

Potentilla recta

Flowering time

June-August

Habitat

Roadsides, fields, trails, and disturbed ground.

Distribution

[WildflowerSearch map]

[BONAP county map]

Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, but not in Yukon Territory, east across North America to the Atlantic Coast.

[WildflowerSearch map]

[BONAP county map]

Origin

Introduced

Conservation status

Not of concern

Sibling taxa