Burke: Gayophytum diffusum vs. Gayophytum ramosissimum

	Gayophytum diffusum	Gayophytum ramosissimum
	spreading groundsmoke	pinyon groundsmoke
Habit		Glabrous annual 1.5-4 dm. tall, diffusely branched, especially above.
Leaves		Leaves alternate, linear, 1-3.5 cm. long and 0.5-2.5 mm. broad, gradually reduced to the linear floral bracts.
Flowers		Inflorescence of terminal racemes; pedicles filiform, 3-6 mm. long, often exceeding the capsules, spreading to erect in flower but reflexed in fruit; sepals and petals 4 each, 0.5 mm. long; stamens 8, unequal; ovary inferior, 2-celled.
Fruits		Capsule 3-6 mm. long.

	Gayophytum diffusum	Gayophytum ramosissimum
Flowering time	June-August	June-July
Habitat	Dry meadows and open slopes, from lowlands to near timberline.	Dry foothills and valleys to the lower mountains.
Distribution	Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and northern Great Plains. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in Washington; Washington to California and Arizona, east to the Rocky Mountains. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	G. decipiens, G. heterozygum, G. humile, G. racemosum, G. ramosissimum	G. decipiens, G. diffusum, G. heterozygum, G. humile, G. racemosum
Web links	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	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

Gayophytum diffusum

Gayophytum ramosissimum

spreading groundsmoke

pinyon groundsmoke

Habit

Glabrous annual 1.5-4 dm. tall, diffusely branched, especially above.

Leaves

Leaves alternate, linear, 1-3.5 cm. long and 0.5-2.5 mm. broad, gradually reduced to the linear floral bracts.

Flowers

Inflorescence of terminal racemes; pedicles filiform, 3-6 mm. long, often exceeding the capsules, spreading to erect in flower but reflexed in fruit;

sepals and petals 4 each, 0.5 mm. long;

stamens 8, unequal;

ovary inferior, 2-celled.

Fruits

Capsule 3-6 mm. long.

Gayophytum diffusum

Gayophytum ramosissimum

Flowering time

June-August

June-July

Habitat

Dry meadows and open slopes, from lowlands to near timberline.

Dry foothills and valleys to the lower mountains.

Distribution

Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and northern Great Plains.

[WildflowerSearch map]

[BONAP county map]