OregonFlora: Chenopodium subglabrum vs. Chenopodium foliosum

	Chenopodium subglabrum	Chenopodium foliosum
	smooth goosefoot	leafy goosefoot
Habit		Plants annual, glabrous.
Stems		erect to ascending, branched or simple, 0.5–8 dm, sometimes tinged with red.
Leaves		blades triangular-lanceolate, 15–55(75) mm, bases sharply hastate or not, cuneate to subtruncate; margins irregularly serrate-dentate; tips acute; surfaces green and glabrous; petioles 15–80(100) mm.
Inflorescences		terminal and axillary; in large globose to subglobose spikes, 3–5(9) mm wide; each subtended by a leaf-like bract.
Flowers		maturing from bases to tips of branches; perianths 3–5-parted, divided ~50% of length; fleshy and red at maturity; stamens 1.
Fruits		1.1–1.4 mm.
Seeds		vertical, dark red-brown.

	Chenopodium subglabrum	Chenopodium foliosum
Distribution	[WildflowerSearch map] [BONAP county map]	[WildflowerSearch map]
Discussion		Disturbed areas, roadsides, fields. Flowering May–Jul. 500–2000 m. BR, BW, Col, ECas, Lava, Owy. CA, ID, NV, WA; scattered in North America; Europe. Exotic.
Source		Flora of Oregon, volume 2, page 77 Bridget Chipman
Sibling taxa	C. album, C. atrovirens, C. berlandieri, C. capitatum, C. chenopodioides, C. desiccatum, C. foliosum, C. fremontii, C. glaucum, C. incanum, C. incognitum, C. leptophyllum, C. murale, C. nevadense, C. polyspermum, C. pratericola, C. rubrum, C. simplex, C. strictum, C. vulvaria	C. album, C. atrovirens, C. berlandieri, C. capitatum, C. chenopodioides, C. desiccatum, C. fremontii, C. glaucum, C. incanum, C. incognitum, C. leptophyllum, C. murale, C. nevadense, C. polyspermum, C. pratericola, C. rubrum, C. simplex, C. strictum, C. subglabrum, C. vulvaria
Synonyms	Chenopodium leptophyllum var. subglabrum	Blitum virgatum, Chenopodium virgatum
Web links	Local floras: BC, 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

Chenopodium subglabrum

Chenopodium foliosum

smooth goosefoot

leafy goosefoot

Habit

Plants annual, glabrous.

Stems

erect to ascending, branched or simple, 0.5–8 dm, sometimes tinged with red.

Leaves

blades triangular-lanceolate, 15–55(75) mm, bases sharply hastate or not, cuneate to subtruncate;

margins irregularly serrate-dentate;

tips acute;

surfaces green and glabrous;

petioles 15–80(100) mm.

Inflorescences

terminal and axillary; in large globose to subglobose spikes, 3–5(9) mm wide; each subtended by a leaf-like bract.

Flowers

maturing from bases to tips of branches;

perianths 3–5-parted, divided ~50% of length; fleshy and red at maturity;

stamens 1.

Fruits

1.1–1.4 mm.

Seeds

vertical, dark red-brown.

Chenopodium subglabrum

Chenopodium foliosum

Distribution

[WildflowerSearch map]

[BONAP county map]

[WildflowerSearch map]

Discussion

Disturbed areas, roadsides, fields. Flowering May–Jul. 500–2000 m. BR, BW, Col, ECas, Lava, Owy. CA, ID, NV, WA; scattered in North America; Europe. Exotic.

Source

Flora of Oregon, volume 2, page 77
Bridget Chipman

Sibling taxa