is a small deciduous shrub inhabiting sunny, somewhat dry locations
in hilly districts; they grow to 0.6-1m in height, making many
branches at the bases. Leaves on the first-year branches are
opposite, in the overall oval shape, and the two-year ones being
fascicled and narrower - a single flower blooms on each component
tops in September-October. Petals are slender and twisted.
Bloom time: September-October.