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SPINY SPIDER FLOWER

(Cleome aculeata, fam. Cleomaceae prev.Capparaceae)

Cleome aculeata Cleome aculeata Cleome aculeata Cleome aculeata Cleome aculeata
Prickly-stemmed, erect, branched annual herb, 20-60cm.
Form or habit: Herb
Latex:Unknown
Leaf:Compound Alternate

Alternate, palmately dissected, lower leaves trifoliolate, reducing to a simple leaflet above. Leaflets oblong to obovate, 20-35 x 10-18mm, thin textured with clear glands and hairs; stalks to 45mm long. Stipules 2 short conical, recurved spines.

Flower conspicuous: Conspicuous
Flower colour: White
Flower description:White, 5-10mm long, borne in few-flowered racemes.
Fruit conspicuous: Conspicuous
Fruit colour: Green
Fruit: Fleshy
Fruit description: Erect, knobbly narrow cylindrical capsules, 30-60 x 3mm. Seeds numerous, resembling flattened snail shells, yellowish 2.5mm diameter.
Habitat:
Distribution:
Food source for:
Toxicity:No toxicity known
Origin:Mexico, South America
Weed:Yes
Weed status:Environmental/garden escapee
Notes:Spread by: Seeds probably spread by water, contaminated soil and in garden waste.
Invades: Creek banks, roadsides, rainforest margins, pastures and gardens. May compete with young cane.
Notes: Known populations in this region occur between Mackay and Proserpine.
Information sources: Mackay Regional Pest Management Group (2011) Weeds of the Mackay Whitsunday Region.

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