Burke: Antennaria rosea vs. Antennaria anaphaloides

	Antennaria rosea	Antennaria anaphaloides
		tall pussytoes
Habit	Dioecious, mat-forming, stoloniferous perennial 5-40 cm. tall; stolons up to 10 cm. long, decumbent; upper surface of the stems with stalked glands, the hairs white or purple.	Robust perennial without rhizomes, white-woolly throughout, 2-5 dm. tall.
Leaves	Leaves 1-nerved; upper surface of the leaves covered with silvery-white hairs; basal leaves spatulate or oblanceolate with a wedge-shaped base; cauline leaves linear, alternate.	Basal leaves numerous, white-woolly on both sides, up to 15 cm. long and 2 cm. wide; cauline leaves linear, progressively reduced upward.
Flowers	Heads several in a sub-capitate cyme; pistillate involucres 4-10 mm. long; scarious portion of the involucre bracts white, straw-colored or light yellow.	Heads many in a broad, compact inflorescence; pistillate involucres 5-8 mm. high; the scarious upper portion of the bracts wholly white, the lower portion densely pubescent, white, commonly with a small dark spot at the base.
Fruits	Achene.	Achene terete

	Antennaria rosea	Antennaria anaphaloides
Identification notes		The similar A. lanata grows at higher elevations, is a smaller plant, and the scarious portion of the involucre bracts is dark. A. luzuloides has involucre bracts that are scarious to the base, the lower portion pale greenish-brown.
Flowering time	June-August	June-July
Habitat	Dry to moist habitats, including meadows, ponderosa pine forest openings, rocky slopes, and floodplains from the lowlands to the alpine.	Grassy hillsides, open woodlands, and ponderosa pine forest openings from the foothills to middle elevations in the mountains.
Distribution	Occurring on both sides of the Cascades crest in Washington, but more common east of the crest; Alaska to California, east to the Rocky Mountains and northern Great Plains, Great Lakes region, and eastern Canada. [WildflowerSearch map] [BONAP county map]	Occurring chiefly east of the Cascades crest in Washington; British Columbia, including southern Vancouver Island, to Oregon, east to Sasketchewan, Montana, Colorado, and Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	A. alpina, A. anaphaloides, A. corymbosa, A. dimorpha, A. flagellaris, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. media, A. microphylla, A. monocephala, A. parvifolia, A. pulcherrima, A. racemosa, A. stenophylla, A. umbrinella	A. alpina, A. corymbosa, A. dimorpha, A. flagellaris, A. geyeri, A. howellii, A. lanata, A. luzuloides, A. media, A. microphylla, A. monocephala, A. parvifolia, A. pulcherrima, A. racemosa, A. stenophylla, A. umbrinella
Web links	Local floras: BC, CA, OR 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, 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

Antennaria anaphaloides

tall pussytoes

Habit

Dioecious, mat-forming, stoloniferous perennial 5-40 cm. tall; stolons up to 10 cm. long, decumbent; upper surface of the stems with stalked glands, the hairs white or purple.

Robust perennial without rhizomes, white-woolly throughout, 2-5 dm. tall.

Leaves

Leaves 1-nerved;

upper surface of the leaves covered with silvery-white hairs;

basal leaves spatulate or oblanceolate with a wedge-shaped base;

cauline leaves linear, alternate.

Basal leaves numerous, white-woolly on both sides, up to 15 cm. long and 2 cm. wide;

cauline leaves linear, progressively reduced upward.

Flowers

Heads several in a sub-capitate cyme; pistillate involucres 4-10 mm. long; scarious portion of the involucre bracts white, straw-colored or light yellow.

Heads many in a broad, compact inflorescence; pistillate involucres 5-8 mm. high; the scarious upper portion of the bracts wholly white, the lower portion densely pubescent, white, commonly with a small dark spot at the base.

Fruits

Achene.

Achene terete

Antennaria rosea

Antennaria anaphaloides

Identification notes

The similar A. lanata grows at higher elevations, is a smaller plant, and the scarious portion of the involucre bracts is dark. A. luzuloides has involucre bracts that are scarious to the base, the lower portion pale greenish-brown.

Flowering time

June-August

June-July

Habitat

Dry to moist habitats, including meadows, ponderosa pine forest openings, rocky slopes, and floodplains from the lowlands to the alpine.

Grassy hillsides, open woodlands, and ponderosa pine forest openings from the foothills to middle elevations in the mountains.

Distribution

Occurring on both sides of the Cascades crest in Washington, but more common east of the crest; Alaska to California, east to the Rocky Mountains and northern Great Plains, Great Lakes region, and eastern Canada.

[WildflowerSearch map]

[BONAP county map]

Occurring chiefly east of the Cascades crest in Washington; British Columbia, including southern Vancouver Island, to Oregon, east to Sasketchewan, Montana, Colorado, and Nevada.

[WildflowerSearch map]

[BONAP county map]

Origin

Native

Conservation status

Not of concern

Sibling taxa