SPINY SPIDER FLOWER (WEED)
Cleome aculeata, Fam. Cleomaceae prev.Capparaceae
Prickly-stemmed, erect, branched annual herb, 20-60cm.
|Form or habit:||Herb|
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 description:||White, 5-10mm long, borne in few-flowered racemes.|
|Fruit description:||Erect, knobbly narrow cylindrical capsules, 30-60 x 3mm. Seeds numerous, resembling flattened snail shells, yellowish 2.5mm diameter.|
|Food source for:|
|Toxicity:||No toxicity known|
|Origin:||Mexico, South America|
|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. Environmental weed.|
|Information sources:||Mackay Regional Pest Management Group (2011) Weeds of the Mackay Whitsunday Region.|