E-Flora BC: Electronic Atlas of the Flora of British Columbia

Antennaria rosea Greene
rosy pussytoes
Asteraceae (Aster family)

Introduction to Vascular Plants

© Dave Ingram  Email the photographer   (Photo ID #4420)

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Distribution of Antennaria rosea
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Species Information

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General:
Perennial herb, mat-forming with numerous leafy stolons 1-7 cm long; stems erect, several, branched above, densely woolly-hairy, sometimes glandular above, the glands with reddish crosswalls; 5-40 cm tall.
Leaves:
Basal leaves spoon-shaped, oblanceolate to broadly lanceolate, grey to white woolly-hairy above and below, sometimes green above, 6-40 mm long, 2-10 mm wide, abruptly sharp-pointed, with a sharp, slender tip; stem leaves, 5-35 mm long, linear to lanceolate, abruptly sharp-pointed.
Flowers:
Heads several to many in a compact, rounded cluster; involucres usually of 1 type, these female, 4-10 mm tall, hairy at the base; involucral bracts lanceolate, the upper papery portion combinations of white, pink, rose, green, pale yellow or light brown; female flowers 2.5-4.5 mm long.
Fruits:
Achenes 0.6-1.8 mm long, glabrous or warty; pappus white with hairlike bristles, 3.5-6.5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry slopes, river terraces and open forests from the lowland to the alpine zones; common throughout BC, except lacking on N Vancouver Island and the Queen Charlotte Islands; N to AK, YT and NT, E to PQ and S to AZ, NM and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Antennaria rosea

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 460 1613 2500
Slope Gradient (%) 0 40 115
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
10 179 358
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 6
Modal Nutrient Regime
Class
B
Number of field plots
 species was recorded in:
128
Modal BEC Zone Class
ESSF
All BEC Zones (# of stations/zone) species was recorded in: AT(22), BAFA(1), BWBS(1), ESSF(47), ICH(7), IDF(23), IMA(5), MH(2), MS(11), PP(6)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

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General References