General:
Perennial herb (rarely somewhat woody at the base) from a slender rhizome; annual flowering shoots erect, 5-15 cm tall, several, tufted, leafy, unarmed, finely soft-hairy.
Leaves:
Alternate, deciduous, 2 to 5 per flowering shoot, long-stalked, palmately compound or shallowly lobed, the stalks more or less hairy; leaflets or lobes 3, the leaflets, if present, wedge-egg-shaped, 1-5 cm long, the leaflets or lobes usually rounded at the summit, coarsely single- or double-toothed except near the base, greenish on both surfaces, smooth to hairy above, paler and usually hairy especially on the veins beneath; stipules lanceolate to egg-shaped.
Flowers:
Inflorescence of 1 to 3 stalked flowers atop erect leafy shoots; corollas pink to rose, the petals 5, lance-egg-shaped to spoon-shaped, 8-18 mm long, erect; calyces fine-hairy and sometimes glandular, 5-lobed, the lobes narrowly lanceolate, 5-13 mm long, bent back; ovaries superior; stamens 30 to 40, the filaments flattened.
Fruits:
Drupelets, 20 to 30, smooth, coherent in a red to purplish, globe-shaped cluster, about 1 cm wide, that separates from the dry receptacle (raspberry-like).
Notes:
Two subspecies occur in BC:
1. Leaves compound; calyces lacking glands; frequent throughout BC............... ssp. acaulis (Michx.) Focke
1. Leaves 3-lobed or nearly entire; calyces with yellow glands; rare in NW BC................. ssp. stellatus (Sm.) Boivin
Site Information |
Value / Class |
||
Avg |
Min |
Max |
|
Elevation
(metres) |
1108 | 558 | 1960 |
Slope
Gradient (%) |
4 | 0 | 48 |
Aspect (degrees) |
84 | 40 | 340 |
Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
6 | 3 | 8 |
Modal
Nutrient Regime
Class |
E | ||
#
of field plots species was recorded in: |
52 | ||
Modal
BEC Zone Class |
SBPS | ||
All BEC Zones (# of stations/zone) species was recorded in |
BWBS(6), ESSF(14), ICH(10), MS(3), SBPS(16), SBS(1), SWB(2) | ||
Source:
Klinkenberg 2013
|
Synonyms and Alternate Names:
Cylactis arctica subsp. acaulis (Michx.) W.A. Weber
Rubus acaulis Michx.
Rubus arcticus var. acaulis (Michx.) Boivin