Ajuga yezoensis is
a perennial herb of the height of 5-15cm inhabiting forests in
mountainous regions; leaves are of 3-4 pairs' opposite, each with
1-2cm-long petiole, in the shape of a long oblanceolate, 2-6cm in
length, 1-3cm in width, with margins coarse and obtuse. The leaf
surfaces are partly purple along veins, and the backsides are purple
throughout. Light purple, labiate flowers, several in number, emerge
at axils on upper parts; the corollas measure 1.1-1.3cm, tube
slender, cleft in five - upper lips two and lower lips 3. Bloom
time: April-May. |