Burke: Gayophytum heterozygum vs. Gayophytum ramosissimum

	Gayophytum heterozygum	Gayophytum ramosissimum
	zigzag 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 heterozygum	Gayophytum ramosissimum
Flowering time	June-July	June-July
Habitat	Forest openings at low to moderate elevations in the mountains.	Dry foothills and valleys to the lower mountains.
Distribution	Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada. [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. diffusum, G. humile, G. racemosum, G. ramosissimum	G. decipiens, G. diffusum, G. heterozygum, G. humile, G. racemosum
Web links	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	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