Perennial herb from a branching, woody stem-base and a fibrous root; stems numerous, 40-150 cm tall, usually branched, very finely hairy to glabrous, 4-angled.
Opposite, egg- to heart-shaped, 3-10 cm long, 1.5-7 cm wide, margins coarsely toothed, glabrous or slightly roughly short-hairy above, glabrous or very short hairy to roughly short-hairy below; stalks 1-5 cm long.
Inflorescence a terminal spike of unstalked flower clusters, 3-15 cm long; corollas tubular, rose-purple to whitish, 10-14 mm long, 2-lipped, lower broader and longer, upper 2-lobed; calyces usually tinged lavender-purple, 3-veined, teeth 3-5 mm long, narrowly triangular-pointed; stamens 4, exserted, in 2 pairs, one longer.
Nutlets, 4 clustered together, oblong, about 2 mm long, brown, small hairs at tip.
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
Present over the Summer
Source: The USDA
||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
Source: Klinkenberg 2013
1. Calyces to 7 mm long; teeth to 2 mm long; leaves densely white-hairy beneath.............................A. foeniculum
1. Calyces to 10 mm long; teeth to 5 mm long; leaves glabrous or sparsely soft-hairy beneath.....................................A. urticifolia
Source: Illustrated Flora of British Columbia