Burke: Sidalcea hirtipes vs. Sidalcea hirsuta

	Sidalcea hirtipes	Sidalcea hirsuta
	bristly-stem checker-mallow
Habit	Herbaceous, large-clumped perennial from short, thick rhizomes, the stems 7-13 dm. tall, copiously hairy with stiff, simple or paired hairs up to 2.5 mm. long.
Leaves	Leaves alternate, palmately lobed, the lower rotund, the lobes coarsely toothed, the teeth rounded; upper leaves 5-lobed nearly to the base, the lobes narrow, with 2 -3 coarse teeth.
Flowers	Inflorescence of spike-like racemes, closely many-flowered; pedicels 1-3 mm. long; calyx 5-parted, 9-15 mm. long, enlarged in fruit, with simple to stellate hairs 1-2 mm. long; petals 5, nearly white to pink, clawed, broadly obovate and notched; stamens 40-70, freed from the staminal tube in 2-3 series, the stamens united in groups; ovary superior, the carpels 5-10 in a ring around a central axis; styles equal to the number of carpels, elongate, stigmatic full length.
Fruits	Capsules 3.5-4 mm. long, honeycombed on the sides, with a beak 0.6-0.8 mm. long.

	Sidalcea hirtipes	Sidalcea hirsuta
Flowering time	June-July
Habitat	Coastal mountains to bluffs along the ocean, but not on tideflats.
Distribution	Clark and Lewis counties in Washington; south to Lincoln, Tillamook and Clatsop Counties, Oregon. [WildflowerSearch map] [BONAP county map]	[WildflowerSearch map] [BONAP county map]
Origin	Native
Conservation status	Threatened in Washington (WANHP)
Sibling taxa	S. campestris, S. hendersonii, S. nelsoniana, S. oregana, S. virgata	S. campestris, S. hendersonii, S. hirtipes, S. nelsoniana, S. oregana, S. virgata
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 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

Sidalcea hirtipes

Sidalcea hirsuta

bristly-stem checker-mallow

Habit

Herbaceous, large-clumped perennial from short, thick rhizomes, the stems 7-13 dm. tall, copiously hairy with stiff, simple or paired hairs up to 2.5 mm. long.

Leaves

Leaves alternate, palmately lobed, the lower rotund, the lobes coarsely toothed, the teeth rounded; upper leaves 5-lobed nearly to the base, the lobes narrow, with 2 -3 coarse teeth.

Flowers

Inflorescence of spike-like racemes, closely many-flowered;

pedicels 1-3 mm. long;

calyx 5-parted, 9-15 mm. long, enlarged in fruit, with simple to stellate hairs 1-2 mm. long;

petals 5, nearly white to pink, clawed, broadly obovate and notched;

stamens 40-70, freed from the staminal tube in 2-3 series, the stamens united in groups;

ovary superior, the carpels 5-10 in a ring around a central axis;

styles equal to the number of carpels, elongate, stigmatic full length.

Fruits

Capsules 3.5-4 mm. long, honeycombed on the sides, with a beak 0.6-0.8 mm. long.