Species

Oxypetalum coeruleum

Common Name(s)

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

Authority

Oxypetalum coeruleum (D.Don ex Sweet) Decne.

Family

Apocynaceae (previously in Asclepiadaceae)

Brief 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.

Flora Category

Vascular - Exotic

Structural Class

Dicotyledonous Lianes and Related Trailing Plants

Synonyms

Tweedia caerulea Oxypetalum caeruleum

Similar Taxa

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

Flower Colours

Blue

Year Naturalised

1988

Origin

Southern Brazil, Uruguay

Reason for Introduction

Ornamental

This page last updated on 26 Aug 2019