Tripora divaricata is a strong-smelling perennial in the mint family, native to Japan, Korea, and China. It isn't native to North America. Its blue-violet late-summer flowers have long, arching stamens that curve down in front of the flower.

Appearance

Appearance
The whole plant gives off an unpleasant smell, strongest when it flowers.
Growth form
An upright perennial about 2.5–3 ft (80 cm–1 m) tall with square stems.
Leaves
Opposite, broadly oval, toothed leaves with pointed tips.
Flowers
Small blue-violet flowers with a broad, patterned lower lip. The stamens and style stick far out and arch downward, so a visiting bee's back touches them.
Flowering time
Late summer: July to September in Korea and August to September in Japan.

Where it lives

Typical habitats
  • mountain grasslands
  • sunny woodland edges
Range
Native to Japan, Korea, and central China. It is not native to North America.
Preferred conditions
Prefers sunny spots that don't dry out.

Name and classification

About the name
Often listed under its older name, Caryopteris divaricata. It was moved to its own one-species genus, Tripora, in 1999.

Conservation

IUCN Red List
NENot EvaluatedNot yet assessed

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Tripora divaricata — identification & habitat | Moeyo