Sida cordifolia, Fam. Malvaceae
Perennial sub-shrubs, variously hairy including star-shaped hairs, stems usually woody-based and strongly fibrous above. Branched, upright densely hairy, to 1.5m.
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:||Shrub|
Alternate simple, margins serrately toothed. Stipules present. Ovate yellowish-green, 35-75 x 25-60mm on stout stalks. Heart shaped base, blunt at the tip; densely felted with soft hairs giving a flannel-like texture; stipules thread-like.
|Flower description:||Pale yellow, 8-10mm long, in dense clusters, 5-petalled.|
|Fruit description:||Dry round brownish and radially separating into 1-seeded, wedge-shaped segments. About 6-8mm in diameter; segments 8-10, each with 2 fine bristles about 3mm long. Calyx 5-lobed, persistent, 6-7mm long, hairy, 10 ribbed at the base, lobes tapering to a point.|
|Food source for:|
|Toxicity:||No toxicity known|
|Origin:||Probably native of America|
|Notes:||Spread by: segments spread by water, farm machinery, stock and in contaminated feed or seed. Bristly segments also adhere to clothing and animals. Invades/threats: pastures, open forests and disturbed areas along roadsides, headlands and stock camps. Notes: presence is usually indicative of disturbance or over grazing. this species is very common in this region. There are also other less common weedy species in this region. Environmental weed.|
|Information sources:||Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition.|