This project is supported by The Central Qld Coast Landcare Network through funding from the Australian Government's Caring for our Country

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PINK PERIWINKLE

(Catharanthus roseus, fam. Apocynaceae)

Catharanthus roseus Catharanthus roseus Catharanthus roseus Catharanthus roseus Catharanthus roseus
Perennial herb or sub-shrub 0.6-1m tall with white milky sap.
Form or habit: Herb
Latex:Present
Leaf:Simple Opposite

Simple opposite oval, 25-90 x 10-35mm, leathery glossy dark green.

Flower conspicuous: Conspicuous
Flower colour: Dark pink or white
Flower description:Slender tubular with 5 spreading lobes; dark pink or white and darker in the centre.
Fruit conspicuous: Inconspicuous
Fruit colour:
Fruit: Dry
Fruit description: Paired dry cylindrical follicles, 20-40 x 3mm; with numerous black oblong seeds 20-25mm long.
Habitat:
Distribution:
Food source for:
Toxicity:Toxic if ingested,Irritant sap,Toxic or irritant to domestic pets,Toxic to native animals
Origin:Madagascar
Weed:Yes
Weed status:Environmental/garden escapee
Notes:Spread by: Garden waste, water and wind over short distance.
Invades: Disturbed areas, pest of some agricultural systems (eg Sugar cane) and has the ability to invade everywhere except rainforest and wetlands.
Notes: Garden escapee, particularly common in coastal areas in this region. All parts of the plant are poisonous.
Information sources: Mackay Regional Pest Management Group (2011) Weeds of the Mackay Whitsunday Region.

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