OregonFlora: Tragopogon dubius

	Tragopogon dubius
	yellow salsify
Habit	Plants 3–10 dm.
Leaves	floccose when young, glabrous with maturity; tips straight.
Peduncles	inflated distally.
Involucres	conic.
Florets	corollas bright yellow; outer ligules not surpassing phyllaries.
Fruits	2.5–3.5(4) cm.
2n	=12.

	Tragopogon dubius
Distribution	[WildflowerSearch map] [BONAP county map]
Discussion	Roadsides, fields, disturbed areas. Flowering May–Jul. 0–2300 m. BR, BW, Casc, Col, ECas, Lava, Owy, WV. CA, ID, NV, WA; throughout North America; Europe. Exotic. See also T. pratensis and T. mirus discussions.
Source	Flora of Oregon, volume 2, page 365 Stephen Meyers
Sibling taxa	T. mirus, T. porrifolius, T. pratensis
Synonyms	Tragopogon major
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

Tragopogon dubius

yellow salsify

Habit

Plants 3–10 dm.

Leaves

floccose when young, glabrous with maturity;

tips straight.

Peduncles

inflated distally.

Involucres

conic.

Florets

corollas bright yellow; outer ligules not surpassing phyllaries.

Fruits

2.5–3.5(4) cm.

=12.

Tragopogon dubius

Distribution

[WildflowerSearch map]

[BONAP county map]

Discussion

Roadsides, fields, disturbed areas. Flowering May–Jul. 0–2300 m. BR, BW, Casc, Col, ECas, Lava, Owy, WV. CA, ID, NV, WA; throughout North America; Europe. Exotic.

See also T. pratensis and T. mirus discussions.

Source

Flora of Oregon, volume 2, page 365
Stephen Meyers

Sibling taxa

T. mirus, T. porrifolius, T. pratensis

Synonyms

Tragopogon major

Web links