Burke: Potentilla glaucophylla vs. Potentilla breweri

	Potentilla glaucophylla	Potentilla breweri
	blueleaf cinquefoil, different-leaved cinquefoil, diverse-leaved cinquefoil, vari-leaved cinquefoil	Brewer's cinquefoil
Habit	Plants 10-40 cm. tall, stems several from a branched caudex; plants cespitose, not rhizomatous.	Perennial from a sparingly branched crown and often a short rhizome, grayish-sericeous but not glandular, the stems 1-2.5 dm. tall.
Leaves	Leaves mostly basal, palmately or pinnately divided, the blades with 5 main leaflets and 1-2 remote, reduced, entire leaflets; main leaflets triangular-toothed to deeply dissected into narrowly oblong segments, usually silky-gray on the lower surface; cauline leaves 1-2, reduced; stipules 1-2 cm. long.	Basal leaves pinnate, the leaflets 9-11, crowded, broadly obovate with a wedge-shaped base, 1-2 cm. long, cleft more that halfway to the midvein into linear divisions; stipules ovate, 0.5-1.5 cm. long; cauline leaves 2-3, greatly reduced.
Flowers	Inflorescence open, many-flowered; calyx saucer-shaped, silky, up to 1.5 cm. wide in fruit, the 5 lobes triangular-lanceolate, 4-6 mm. long, alternating with linear, shorter bracteoles; petals 5, yellow, obcordate, 6-9 mm. long; stamens 20; pistils numerous, style slender, equaling the fruit and attached just below the tip.	Inflorescence an open, several-flowered cyme; calyx sericeous, cup-shaped, up to 1.5 cm. broad in fruit, the 5 lobes lanceolate, interspersed with 5 linear, smaller bracteoles; petals 5, yellow, obcordate, exceeding the sepals; stamens 20; pistils numerous; style slender, sub-apical.
Fruit(s)	Achene 1.3-1.6 mm. long, weakly net-veined.	Achene smooth, greenish, 1.3 mm. long.

	Potentilla glaucophylla	Potentilla breweri
Flowering time	June-August	June-August
Habitat	Moist subalpine and alpine meadows, and along stream banks in high mountain forests.	Moist meadows and stream banks to open slopes at middle to high elevations.
Distribution	Occurring on both sides of the Cascades crest and in the Olympic Mountains in Washington; Alaska to California, east to the Rocky Mountains. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest from central Washington south; central Washington to California, east to Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Sensitive in Washington (WANHP)	Threatened in Washington (WANHP)
Sibling taxa	P. anserina, P. argentea, P. biennis, P. breweri, P. drummondii, P. flabellifolia, 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. 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
Web links	Local floras: OR, WA 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: CA, OR, WA Local Web sites: CalFlora, CalPhotos, 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

Potentilla breweri

blueleaf cinquefoil, different-leaved cinquefoil, diverse-leaved cinquefoil, vari-leaved cinquefoil

Brewer's cinquefoil

Habit

Plants 10-40 cm. tall, stems several from a branched caudex; plants cespitose, not rhizomatous.

Perennial from a sparingly branched crown and often a short rhizome, grayish-sericeous but not glandular, the stems 1-2.5 dm. tall.

Leaves

Leaves mostly basal, palmately or pinnately divided, the blades with 5 main leaflets and 1-2 remote, reduced, entire leaflets; main leaflets triangular-toothed to deeply dissected into narrowly oblong segments, usually silky-gray on the lower surface;

cauline leaves 1-2, reduced;

stipules 1-2 cm. long.

Basal leaves pinnate, the leaflets 9-11, crowded, broadly obovate with a wedge-shaped base, 1-2 cm. long, cleft more that halfway to the midvein into linear divisions;

stipules ovate, 0.5-1.5 cm. long;

cauline leaves 2-3, greatly reduced.

Flowers

Inflorescence open, many-flowered;

calyx saucer-shaped, silky, up to 1.5 cm. wide in fruit, the 5 lobes triangular-lanceolate, 4-6 mm. long, alternating with linear, shorter bracteoles;

petals 5, yellow, obcordate, 6-9 mm. long;

stamens 20;

pistils numerous, style slender, equaling the fruit and attached just below the tip.

Inflorescence an open, several-flowered cyme;

calyx sericeous, cup-shaped, up to 1.5 cm. broad in fruit, the 5 lobes lanceolate, interspersed with 5 linear, smaller bracteoles;

petals 5, yellow, obcordate, exceeding the sepals;

stamens 20;

pistils numerous;

style slender, sub-apical.

Fruit(s)

Achene 1.3-1.6 mm. long, weakly net-veined.

Achene smooth, greenish, 1.3 mm. long.