|
|
|
|
|
|
|
|
|
|
|
| Anaphalis margaritacea (L.) Benth. | Species Image Gallery (opens in a new window) |
||||||||||
| TAXONOMY | |||||||||||
| Family: | Asteraceae or Compositae | ||||||||||
| Genus: | Anaphalis | ||||||||||
| Species Synonyms: | Anaphalis margaritacea
var. angustior (Miq.) Nakai Anaphalis margaritacea var. intercedens Hara Anaphalis margaritacea var. occidentalis Greene Anaphalis margaritacea var. revoluta Suksdorf Anaphalis occidentalis (Greene) Heller Gnaphalium margaritaceum L. |
||||||||||
| Common Names: | pearly everlasting western pearly everlasting |
||||||||||
| DISTRIBUTION | |||||||||||
| Canada: | southwest Mackenzie district, British Columbia – western Saskatchewan, southern Manitoba – Labrador, Newfoundland, Nova Scotia | ||||||||||
| Saskatchewan: | western Saskatchewan; Cypress Hills, Kerrobert – Cutknife, Buffalo Narrows, Cluff Lake | ||||||||||
| Ecoregion: | Cypress Upland, Mixed Grassland, Moist Mixed Grassland, Aspen Parkland, Mid-Boreal Upland, Athabasca Plain | ||||||||||
| HABITAT | |||||||||||
| Saskatchewan: | moist sand and gravel soil in Pinus forest or mixed woods dominated by Populus tremuloides and Picea glauca | ||||||||||
| RARITY STATUS | |||||||||||
| Provincial
Status According to Harms (2003): |
Threatened |
||||||||||
| Nature Conservancy Status: | G5 S2 |
||||||||||
| Saskatchewan
Species at Risk Status: |
None |
||||||||||
| COSEWIC Status: | None |
||||||||||
| Anaphalis margaritacea is wide-ranging in the province of Saskatchewan; however most local populations are small. No immediate threats are known but are possible in the future. | |||||||||||
| SPECIES DESCRIPTION | |||||||||||
| Height: | 20 – 80 cm tall | ||||||||||
| Roots: | fibrous; rhizomes dark to reddish-brown, woody | ||||||||||
| Stems: | may be tufted, very leafy, firm, light coloured, densely white-woolly | ||||||||||
| Leaves: | basal and cauline, basal deciduous, cauline alternate, sessile, 3 – 10 cm long, 0.5 – 1.5 cm wide, sometimes reduced below inflorescence, linear to lanceolate, apex acuminate to obtuse, densely white-woolly (tawny in age) to nearly glabrous above, white-tomentose below, midvein conspicuous below, 1 – 3-nerved, margin entire or revolute | ||||||||||
| Inflorescence: | corymb round-topped; peduncle lanate, light-coloured; heads 30 – 70, 8 – 10 mm wide, discoid, dioecious or nearly so; involucre in several rows, 5 – 8 mm long, scarious, inner series becoming less scarious and more lanceolate, imbricate, pearly white, may have dark spot at base, base woolly; receptacle naked | ||||||||||
| Flowers: | many per head, yellow | ||||||||||
| Fruits: | achene olive brown; pappus of capillary bristles, 0.7 – 1 mm long | ||||||||||
| |||||||||||
