Sensitive weed, common sensitive plant
Mimosa pudica, Fam. Mimosaceae
A low sprawling, often prostrate, perennial sometimes woody herb or sub-shrub; round stems to 1.5m long, reddish-brown or purple, sparsely or moderately hairy as well as prickly.
Other invasive plants
Invasive plants that are not prohibited or restricted invasive plants, but are known to spread readily and cause negative impacts, within the region.
|Form or habit:||Herb, Shrub|
Compound, alternate bipinnate with feathery fern-like bright green pinnae, each with small paired leaflets. Leaflets fold when touched or injured and at night. 15-62mm long, divided into 1 or 2 pairs of pinnae near the end of each leaf stalk; each pinnae with10-25 pairs of small leaflets with bristly margins. (Stalk and rachis without prickles.)
|Flower description:||Tiny pale pink to purplish in fluffy globular heads, borne on short hairy stalks in the leaf axils. 8-15mm across, 1-5 heads in each leaf axil.|
|Fruit description:||Pods clustered, dark brown flat prickly and breaking into one-seeded segments when mature. Pods 9-20 x 3-5mm, margins with stiff bristles and indented between each seed. Seeds 2-6, brown flattened pear-shaped and about 3mm long.|
|Food source for:|
|Toxicity:||No toxicity known|
|Notes:||Spread by: seeds retained in buoyant segments spread by water, in contaminated soil on vehicles, machinery and stock; also adhere to clothing and fur. Invades/threats: cropping land, grassland and native vegetation, impacting on natural environments and agricultural productivity. Notes: introduced to Australia as a horticultural curiosity. Widespread and common this area. Thrives in disturbed and cultivated areas, such as roadsides, vacant allotments, heavily-grazed pastures, crops and lawns; can tolerate shade. Seeds remain viable for many years. Thorns can cause painful wounds. Palatable to stock but contains a toxic amino acid. Environmental weed.|
|Information sources:||Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition.|