Annual herb to 70cm with slender hollow branching grooved stems. Previously Apium leptophyllum.
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: | Apiaceae |
Leaf: | Compound Alternate Compound, alternate, finely divided into thread-like segments, 10-20mm x 0.5-1mm. |
Flower conspicuous: | Inconspicuous |
Flower colour: |
White |
Flower description: | White very small, carrot-like, in 3-7 simple or compound axillary umbels; stems 0-30mm long. |
Fruit conspicuous: | Inconspicuous |
Fruit colour: |
Brown |
Fruit: | Dry |
Fruit description: | Brown, dry ovoid fruit, 1-3mm long, comprised of two one-seeded segments with 5 thick prominent ribs. |
Habitat: | |
Distribution | |
Food source for: | |
Toxicity: | No toxicity known |
Origin: | North America |
Notes: | Spread by: seed. Invades/threats: wide spread through grasslands, disturbed sites, roadsides. Environmental weed. |
Information sources: | Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition. |