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Peristrophe japonica is
a perennial herb bearing unusual flowers in the shady, moist places
at the skirts of mountainous regions. The stems sparsely branch to
reach 20-50cm in height. Dark green leaves are of opposite
phyllotaxis, with 2-10mm pedicles, blades with ovate-oblong or
lanceolate, 2-10cm and 1-2.5cm wide, and entire margins. Branch tips
or upper parts' axils emerge peduncles and set on the tips two
foliate, enveloped with ovate-oblong bracts, red-purple flowers. The
corollas are bilabiate, the lower ones are broader, and the stamens
are two. The lavender labium is conspicuous, significantly
contrasting its leaves and the other green leaves. The lips
reportedly attract pollinators and serve as a landing platform. The
fruit (capsule) measures 9-12mm long. Bloom time: September-October. |
Wild plants in and around Shimane
島根とその周辺の野生植物
