Beach evening primrose
Oenothera drummondii subsp. drummondii, Fam. Onagraceae
Perennial, softly hairy herb with trailing stems to about 50cm long
| 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: | Onagraceae |
| Leaf: | Simple Alternate Alternate simple, grey-green densely hairy, narrowly obovate to oblong-ovate, 10-70 x 5-15mm, apex rounded or pointed, base narrowing to 5-30mm long stalk; margins mostly entire or sometimes with shallow teeth. |
| Flower conspicuous: | Conspicuous |
| Flower colour: |
Yellow |
| Flower description: | Yellow, solitary axillary, 20-40mm in diameter, with 4 spreading petals and hairy tubular calyx 20-40mm long. |
| Fruit conspicuous: | Conspicuous |
| Fruit colour: |
Brown |
| Fruit: | Dry |
| Fruit description: | Brown, stalkless 4-valved, often curved capsules, 25-40 x about 2mm, with long hairs; opening at the apex to release numerous tiny seeds. |
| Habitat: | |
| Distribution | |
| Food source for: | |
| Toxicity: | No toxicity known |
| Origin: | South America and Mexico |
| Notes: | Spread by: seeds spread with sand by wind and tidal flows, especially during rough weather. Invades/threats: coastal strand and frontal foredunes. Notes: first recorded at the Mackay Harbour and misidentified as O. affinis in 1992 when there were only a few plants; now common along the beach front from the Harbour to Lamberts Beach. Environmental weed. |
| Information sources: | Mackay Regional Pest Management Group (2018) Weeds of the Mackay Whitsunday Region Second Edition. |
