Burke: Malva parviflora vs. Malva neglecta

	Malva parviflora	Malva neglecta
	cheeseweed, alkali mallow, small-whorl mallow	dwarf mallow
Habit	Prostrate or spreading, annual or biennial herbs, the stems 2-6 dm. long, puberulent.
Leaves	Leaves palmately veined, with petioles up to twice as long as the blades; leaf blades cordate-reniform, 2-5 cm. long and slightly broader, shallowly 5-7 lobed, with fine teeth.
Flowers	Flowers in small clusters in the leaf axils, on long pedicels to sessile, white to pale lavender; calyx shallowly 5-lobed, about equaling the corolla; petals 5, clawed; filaments fused into a tube, the stamens freed from the tube single or in pairs; style branches stigmatic most of their length, not capitate; ovary superior, the carpels in a ring around a central axis.
Fruits	Carpels flattened and strongly cross-corrugated on the back.

	Malva parviflora	Malva neglecta
Flowering time	March-August	May-September
Habitat	Roadsides, forest edge, fields, ditches, wastelots, and other disturbed open areas.	Roadsides, forest edge, fields, ditches, wastelots, and other disturbed open areas.
Distribution	Occurring west of the Cascades crest in lowland western Washington; British Columbia to California, east to the Great Plains, also in southeastern and northeastern North America. [WildflowerSearch map] [BONAP county map]	Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]
Origin	Introduced from Eurpoe	Introduced from Europe
Conservation status	Not of concern	Not of concern
Sibling taxa	M. moschata, M. neglecta, M. pusilla, M. sylvestris	M. moschata, M. parviflora, M. pusilla, M. sylvestris
Web links	Local floras: BC, 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	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

Malva parviflora

Malva neglecta

cheeseweed, alkali mallow, small-whorl mallow

dwarf mallow

Habit

Prostrate or spreading, annual or biennial herbs, the stems 2-6 dm. long, puberulent.

Leaves

Leaves palmately veined, with petioles up to twice as long as the blades;

leaf blades cordate-reniform, 2-5 cm. long and slightly broader, shallowly 5-7 lobed, with fine teeth.

Flowers

Flowers in small clusters in the leaf axils, on long pedicels to sessile, white to pale lavender;

calyx shallowly 5-lobed, about equaling the corolla;

petals 5, clawed;

filaments fused into a tube, the stamens freed from the tube single or in pairs;

style branches stigmatic most of their length, not capitate;

ovary superior, the carpels in a ring around a central axis.

Fruits

Carpels flattened and strongly cross-corrugated on the back.

Malva parviflora

Malva neglecta

Flowering time

March-August

May-September

Habitat

Roadsides, forest edge, fields, ditches, wastelots, and other disturbed open areas.

Distribution

Occurring west of the Cascades crest in lowland western Washington; British Columbia to California, east to the Great Plains, also in southeastern and northeastern North America.

[WildflowerSearch map]

[BONAP county map]