life
cycle - winter annual, reproducing by seed
stems -
low growing, upright during flowering, branched, square growth
habit 1, growth
habit 2
leaves -
opposite, hairy, lower ovate to heart-shaped; upper more triangular,
often purplish-red, downward drooping; all leaves rounded or
pointed toothed, short petioles leaves
flowers -
reddish pink to purple, two-lipped tubular, whorled 3 to 6;
axillary above flowers