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Oxypetalum coeruleum

Possibly self-establishing in a plant nursery, Waimate, South Canterbury.<br>Photographer: Unknown, Licence: All rights reserved.

Possibly self-establishing in a plant nursery, Waimate, South Canterbury.<br>Photographer: Unknown, Date taken: 09/05/2019, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>

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Common names

Tweedia, Blue milkweed, Star of the Argentine, Southern star

Biostatus

Exotic

Conservation status

Not applicable

Structural class

Lianes & Related Trailing Plants - Dicotyledons

Simplified description

Scrambling or twining herbaceous to somewhat woody perennial with soft downy leaves and turquoise-blue flowers. Milky sap when broken, may be irritating to skin.

Flower colours

Blue

Similar taxa

Vegetatively resembles moth vine (Araujia sericifera) but the blue flowers immediately distinguish it.

Detailed taxonomy

Genus

Oxypetalum

Family

Apocynaceae

Authority

Oxypetalum coeruleum (D.Don ex Sweet) Decne.

Synonyms

Tweedia caerulea Oxypetalum caeruleum

Taxonomic notes

Previously in Asclepiadaceae.

Endemic family

Ecology

Year naturalised

1988

Origin

Southern Brazil, Uruguay

Reason for introduction

Ornamental

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