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Siberian corydalis

Siberian corydalis

Corydalis nobilis

Identify the Siberian corydalis from a photo and log your finds with Florapass.

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How common: Common

Alien species

Siberian corydalis is a perennial herb with yellowish flowers that blooms very early in spring. Native to Central Asia and Siberia, it is widely cultivated as a garden ornamental and can occasionally persist or naturalize near plantings. It rapidly completes flowering and seed development, after which the plant withers back for the rest of the year. The species is toxic.

Did you know?

  • It flowers using energy stored from the previous summer, allowing a very early spring display.
  • After setting seed, the entire plant quickly withers and disappears from view until the next year.

About the species

Identification

A robust, rhizomatous perennial about 40–60 cm tall with multiple stems. Leaves are numerous, arranged spirally, and twice divided into narrow, blue‑green leaflets. The inflorescence is a dense, many‑flowered cluster; each flower has a spur and a bract nearly as long as the flower. Flowers are about 20 mm long, yellow to yellow‑and‑whitish, and appear in early spring; the fruit is a flattened, narrowly ellipsoid capsule. It is distinguished from similar Corydalis by its tall, sturdy spring habit, dense clusters of large yellow spurred flowers, and prominent bracts, and by its quick die‑back after seed set.

Plant group

Herbaceous plants

Habitat

yards and roadsides

Flowering

Apr–Jun

About the habitat

Typically found in gardens, parks, and shrub borders, especially near older plantings. It favors cultivated ground and disturbed, nutrient‑rich spots around human habitation.

Sources

Photo: Edoardo Nardelli, CC BY 4.0 https://www.gbif.org/occurrence/6234321511

Text: Wikipedia (Finnish), CC BY-SA 4.0 https://fi.wikipedia.org/wiki/Jalokiurunkannus

See also