Palay rubbervine

Cryptostegia grandiflora, commonly known as rubber vine, is a woody-perennial vine that is native to south-west Madagascar. It is also a significant weed in northern Australia, sometimes regarded as the worst weed in all of Australia. It has also been introduced to most other tropical and subtropical regions because of its attractive flowers and its latex containing commercial quality rubber (hence the name). It is now naturalised in the Caribbean, East Africa, Mauritius, India, Southeast Asia, Indonesia, Latin America, the southern United States, Fiji and New Caledonia. It is very similar to the purple rubber vine (C. madagascariensis), which is also native to Madagascar.

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