Clematis vitalba

Clematis vitalba
Clematis vitalba
The silky appendages of the fruits
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Ranunculales
Family: Ranunculaceae
Genus: Clematis
Species: C. vitalba
Binomial name
Clematis vitalba
L. (1753)

Clematis vitalba (also known as Old man's beard and Traveller's Joy) is a shrub of the Ranunculaceae family.

Contents

Description

Clematis vitalba is a climbing shrub with branched, grooved stems, deciduous leaves, and scented greeny-white flowers with fluffy underlying sepals. The many fruits formed in each inflorescence have long silky appendages which, seen together, give the characteristic appearance of Old Man's beard. The grooves along the stems of C. vitalba can easily be felt when handling the plant.

The flowers of this species are eaten by the larvae of moths including The V-Pug and Double-striped Pug and the leaves by Willow Beauty.

Characteristics

Invasive character.

Due to its disseminatory reproductive system, vitality, and climbing behavior, Clematis vitalba is an invasive plant in most places, included many in which it is native. Some new tree plantations can be suffocated by a thick layer of Clematis vitalba, if not checked. [1]

In New Zealand it is declared an "unwanted organism" and is listed in the National Pest Plant Accord. It cannot be sold, propagated or distributed. It is a potential threat to native plants since it grows vigorously and forms a canopy which smothers all other plants and has no natural controlling organisms in New Zealand. New Zealand native species of Clematis have smooth stems and can easily be differentiated from C. vitalba by touch.

Main article: Old man's beard in New Zealand

Gallery

Flowers of Clematis vitalba
Flowers of Clematis vitalba
Close-up on a flower of Clematis vitalba
Leaves of Clematis vitalba
Fruits of Clematis vitalba

References

  1. ^ Invasive Species Compendium. "Clematis vitalba". http://www.cabi.org/isc/?compid=5&dsid=14280&loadmodule=datasheet&page=481&site=144. Retrieved October 2011. 

External links



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