Purple rubber vine
Cryptostegia madagascariensis
family
Apocynaceae
origin
Exotic
declaration
Category 3 Restricted Matter (Biosecurity Act 2014)
Must not be distributed or disposed. This means it must not be released into the environment unless the distribution or disposal is authorised in a regulation or under a permit.
Common names
Madagascar rubber vine, Ornamental rubber vine, Purple allamanda.
A robust woody vine or self-supporting shrub with milky sap. Its stems are greyish-brown and have a prominent, whitish, warty spots. Its oppositely arranged leaves (2-11 cm long and 1.5-5.5 cm wide) are leathery and borne on greenish-coloured stalks. Its pink or purplish-pink tubular flowers (3-4 cm long and 5-6 cm across) have five spreading petal lobes. Its large 'pods' (5-9 cm long and 1.5-4 cm wide) are produced in divergent pairs and contain numerous seeds. The seeds (5.5-9 mm long and 1.8-3.5 mm wide) are topped with a silky tuft of white hairs (10-35 mm long).
Impact
Impact
Purple rubber vine (Cryptostegia madagascariensis) is regarded as a potentially significant environmental weed in the Northern Territory, Western Australia and Queensland. It was recently listed as a priority environmental weed in one Natural Resource Management region. It is thought that this species poses a similar invasive threat to rubber vine (Cryptostegia grandiflora), and it has already become naturalised in natural communities in northern Australia and Hawaii.
Location
Location
Characteristics
Characteristics
Similar Species
Similar Species
Purple rubber vine (Cryptostegia madagascariensis) is regarded as a potentially significant environmental weed in the Northern Territory, Western Australia and Queensland. It was recently listed as a priority environmental weed in one Natural Resource Management region. It is thought that this species poses a similar invasive threat to rubber vine (Cryptostegia grandiflora), and it has already become naturalised in natural communities in northern Australia and Hawaii.
