Wild aster, bushy starwort
Aster subulatus, Fam. Asteraceae
An erect annual or perennial herb with stiff slender stems to 2m, much branched in upper parts at flowering.
| Weed Category: |
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.
|
| Weed: | Yes |
| Form or habit: | Herb |
| Family: | Asteraceae |
| Leaf: | Simple Alternate Alternate, becoming progressively smaller up the stem. Basal leaves ovate, 20-120mm long and up to15mm wide, tapering to a leaf stalk about 4mm long. Upper leaves narrow, stalkless. |
| Flower conspicuous: | Conspicuous |
| Flower colour: |
White, Purple, Green |
| Flower description: | Numerous, greenish or purplish, narrow-cylindrical fluffy heads, 5 -7mm long, borne at the ends of leafy branches. ‘Petals’ small, white, pale lavender to purplish. |
| Fruit conspicuous: | Conspicuous |
| Fruit colour: |
Brown |
| Fruit: | |
| Fruit description: | ‘Seeds’ brown, about 2mm long with a conspicuous tuft of fine, pale hairs, 5-7mm long. |
| Habitat: | |
| Distribution | |
| Food source for: | |
| Toxicity: | |
| Origin: | North America |
| Notes: | Spread by: windborne ‘seeds’. Invades/threats: coastal areas, particularly disturbed sites, gardens and lawns. Environmental weed. |
| Information sources: | Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition. |
