Caryopteris incana (Thunb. ex Houtt.) Miq.

Growth Form

Caryopteris incana is a deciduous vine, reaching up to 2 m in length and having tuberous roots.

Leaf Arrangement and Division

Its leaves are alternate, palmately divided into 5 segments. The marginal segments are the smallest and further divided into 3, while other leaflets are palmately or pinnately divided.

Leaf Margins

The leaf margins have sparse serrations.

Leaf Axis and Nodes

The leaf axis and nodes have wings and are glabrous.

Petiole Characteristics

The petiole is 1 - 6 cm long.

Flower and Inflorescence Type

The flowers are bisexual, and the panicles are opposite to the leaves.

Peduncle Characteristics

The peduncle is 3 - 8 cm long and twisted, with a pale - yellow color.

Floral Parts

The calyx is divided into 5 parts, and there are 5 petals and 5 stamens, along with 1 pistil and a disc.

Fruit and Seed Traits

The fruits and seeds are round, 5 - 7 mm in diameter, white, purple, or blue, with spots, and contain 1 - 2 seeds.

Phenology

The flowering period is from late June to early August, and the fruiting period is from late August to mid - October.

Distribution Range

It is distributed in central - southern China, as well as Hwanghae Province and South Pyongan Province.