slen
life.artemis@tujerodne-vrste.info
slen
life.artemis@tujerodne-vrste.info

Projekt LIFE ARTEMIS – Osveščanje, usposabljanje
in ukrepanje za invazivne tujerodne vrste v gozdu

Cape ivy

Delairea odorata (syn. Senecio mikanioides)
What is this?
Foto: Forest & Kim Starr, CC BY 3.0
Foto: Joseph M. DiTomaso, University of California Davis, Bugwood.jpg

NATIVE RANGE: South Africa

FIRST FINDING IN SLOVENIA: not yet found in Slovenia

PATHWAYS: horticulture

POSSIBLE TO FIND: year-round

FLOWERING SEASON: October-March (in winter!)

DESCRIPTION: Perennial herbaceous vine with a woody rootstock. Deciduous, in milder climate evergreen. Stems fleshy, glabrous, often purple when young, later green and eventually creamy-brown. Leaves spiralling, palmately compound, glossy and fleshy. Petioles are longer than the lamina. Usually, there is a pair of flattened, kidney-shaped stipules at the base of the petioles. Flower heads are borne in dense clusters. Flowers consist solely of disc florets, surrounded by small green bracts with ray florets absent. Flowers during winter and early spring. Fruits are reddish-brown achenes, 2 mm long. Pappus cylindric, 5–6 mm long. The plant has an unpleasant smell.

HABITAT: Within native range grows on humid sites, especially along forest edges and in clearings.

STATUS: Found in Western and Southwestern Europe. Most observations from Spain, Portugal, France, the United Kingdom and Ireland. Not yet found in Slovenia, based on locations in Croatia and Italy it can be expected in the coastal region.

SIMILAR SPECIES: Climbing groundsel (Senecio angulatus), has more fleshy leaves and flowers with ray florets. Wild cucumber (Echinocystis lobata) has similar, but more deeply lobed leaves. Flowers white, fruit is a large pepo with prickles. Ivy (Hedera helix) has darker, evergreen leaves. Its flowers are green and borne in small clusters.

SOURCE: Field Guide to Invasive Alien Species in European Forests

Risbe: Paul Veenvliet
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