UW Burke Herbarium species comparison

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Pyrrocoma crocea

Pyrrocoma liatriformis

Palouse goldenweed
Habit Perennial from a stout taproot, the stems solitary or several, 3-7 dm. tall, sometimes curved at the base; herbage hairy.
Leaves

Leaves entire or with a few sharp teeth, the basal ones tufted, oblanceolate or narrowly elliptic, 7-25 cm. long and 1-3 cm. wide, the cauline leaves somewhat reduced upward, becoming sessile.
Flowers

Heads several to many in an elongate inflorescence, the disk up to 2 cm. wide;

involucre 10-16 mm. high, its firm, pointed bracts green-tipped or green throughout;

rays 13-21, 6-10 mm. long, yellow; disk corollas 7-10 mm. long, yellow;

pappus of grayish, uneven, capillary bristles.
Fruits

Achenes elongate.

Pyrrocoma crocea

Pyrrocoma liatriformis
Flowering time July-August
Habitat Grassy hillsides and prairies.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring east of the Cascades crest in eastern Washington; eastern Washington and adjacent Idaho.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Threatened in Washington (WANHP)
Sibling taxa
P. carthamoides, P. hirta, P. liatriformis, P. scaberula
P. carthamoides, P. hirta, P. scaberula
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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