Annual herb from a taproot; stems erect, slender, simple to branched, more or less downsweptly short-hairy below, becoming glabrous above, usually purplish sticky-glandular in bands below the nodes or occasionally nonglandular, 20-80 cm tall.
Basal leaves oblanceolate to spoon-shaped, 3-6 cm long and 2-20 mm wide; stem leaves opposite, several pairs, oblanceolate to linear, glabrous to rough-hairy or short-hairy; stipules lacking.
Inflorescence of few to many flowers in a compact to open cluster; petals 5, white to pink, usually withered by day, stalklike at the bases, the narrow stalks about 2-3 times as long as the heart-shaped blades; sepals 5, united, forming a tube 4-10 mm long, 10-nerved, glabrous.
Capsules egg-shaped, 3-chambered; seeds blackish, 0.6-1.0 mm long, with 3-4 concentric rows of low pimples.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
|BG(7), ICH(8), IDF(5), PP(2)|
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Silene antirrhina var. confinis Fernald
Silene antirrhina var. depauperata Rydb.
Silene antirrhina var. divaricata B.L. Rob.
Silene antirrhina var. laevigata Engelm. & A. Gray
Silene antirrhina var. subglaber Engelm. & A. Gray
Silene antirrhina var. vaccarifolia Rydb.