Caulophyllum thalictroides

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Caulophyllum thalictroides (L.) Michx.

Berberidaceae

Life form: perennial
Usage: ornamental plant

Exposure: half shade - Exposure: shade   7

Moisture: moist

Arrangement: alternate
Leaves: decidious

Shape: ovate

Division: ternate

Shape: six-stellate
Fruit: not specified

V

150B / c3d238 

Inflorescence: cyme

Petals: not specified
Habit: not specified

Growth form: stemless

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Ranunculopsida
Subclassis:
Ranunculidae
Superordo:
Ranunculanae
Ordo:
Berberidales

Caulophyllum thalictroides is a perennial.

Naming

Caulophyllum thalictroides was already described and the name validly published by Carl Linnaeus. It was André Michaux, however, who reclassified it into todays valid botanical systematics in 1803.

Taxonomy

Caulophyllum thalictroides is a species in the genus Caulophyllum which contains approximately 3 to 4 species and belongs to the family of the Berberidaceae (Barberry Family).

Characteristics

Growth

The perennials reach heights of 60 to 75 centimetres, the main growing season is in spring and summer. They have a erect habit.

Leaves

Caulophyllum thalictroides is deciduous. The dark-green, ternate leaves are alternate. The leaflets are ovate. The foliage is porous.

Flowers and Fruits

Caulophyllum thalictroides produces cymes of light-green six-stellate flowers in May.

From spring to summer the perennials carry only few ornamental, edible brown fruits.

Root System

Distribution

Caulophyllum thalictroides is native to eastern Canada, the Northeast of the US, the central Northeast of the US and the Southeast of the US.

Cultivation

The perennials prefer a half-shady to shady situation on moist soil. The substrate should be comparatively rich with a pH between 4,5 and 7. The plants need a soil depth of at least 41 centimetres for good growth. They tolerate temperatures down to -18°C (USDA zone 7) and need a frost-free period of at least 17 weeks.

Tolerance of special soil conditions

  • none: soil salinity
  • low: anaerobic soil, drought, calcareous soil

Uses

The recommended planting distance is 30 to 40 centimetres, the perennials are best planted in groups of 3 to 5.

Maintenance and Propagation

  • Winter protection , e.g. with a layer of leaves.

Propagation

  • Bulbils
  • Ripe cuttings
  • Sowing . The seeds require vernalization.


Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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