| Dune thistle | |
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| Scientific classification | |
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| Genus: | Actites |
| Species: | A. megalocarpa |
| Binomial name | |
| Actites megalocarpa (Hook.f.) Lander [1] | |
| Synonyms | |
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Actites, commonly known as the dune thistle, beach thistle or coastal sow thistle, [2] is a genus of flowering plants in the family Asteraceae. It is endemic to Australia and contains only one species, Actites megalocarpa . It is a large, clumping herb with yellow flowers.
Actites megalocarpus is a fleshy perennial herb. The leaves are stiff, prominently veined, margins toothed and wavy, elliptic to oblanceolate shaped, 1.5–26 cm (0.59–10.24 in) long, 0.5–4.5 cm (0.20–1.77 in) wide, either tapering at the base or heart-shaped and sessile. The yellow dandelion-like flowers are 1–2 cm (0.39–0.79 in) in diameter, occasionally pale purple near the base, and on a peduncle 1–10 mm (0.039–0.394 in) long. The bracts are narrow-triangular shaped, the lower midrib of outer bracts has spines. Flowering occurs from September to June and the fruit is a compressed, light to dark brown one-seeded achene, 4–8 mm (0.16–0.31 in) long with 3 longitudinal ribs. [2] [3]
Actites megalocarpus was first formally described in 1976 by Nicholas Sean Lander and the description was published in Telopea . [4] [5] The specific epithet (megalocarpus) means "large fruited". [6]
Dune thistle is usually found on coastal dunes and cliffs from Toorbul in Queensland to Middleton Beach in Western Australia and the south-east coast of Tasmania. [3] [7] [8]
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Goodenia heppleana is a species of flowering plant in the family Goodeniaceae and is endemic to northern Australia. It is an erect or prostrate herb with lance-shaped leaves at the base of the plant and racemes of yellow flowers.
Goodenia holtzeana is a species of flowering plant in the family Goodeniaceae and is endemic to northern parts of the Northern Territory. It is a prostrate to ascending or erect annual plant with egg-shaped to lance-shaped stem-leaves with the narrower end towards the base, and racemes of yellow flowers with brownish markings.
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Goodenia janamba is a species of flowering plant in the family Goodeniaceae and is endemic to northern Australia. It is an erect herb with linear to lance-shaped leaves mostly at the base of the plant, and umbels or racemes of flowers that are yellow, or purplish with a yellow centre.
Goodenia leiosperma is a species of flowering plant in the family Goodeniaceae and is endemic to the Northern Territory. It is an ascending to low-lying herb with egg-shaped to lance-shaped stem-leaves and racemes of yellow flowers.
Goodenia lyrata is a species of flowering plant in the family Goodeniaceae and is endemic to inland areas of Western Australia. It is a prostrate herb with densely hairy, lyrate leaves at the base of the plant, smaller leaves on the stem and racemes of yellow flowers.
Goodenia muelleriana is a species of flowering plant in the family Goodeniaceae and is endemic to the north-west of Western Australia. It is an ascending to erect herb with elliptic to lance-shaped leaves at the base of the plant, and racemes of yellow flowers.
Goodenia neglecta is a species of flowering plant in the family Goodeniaceae and is endemic to the Northern Territory of Australia. It is an ascending, weak-stemmed herb with toothed, egg-shaped leaves and racemes of yellow flowers.
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Goodenia pascua is a species of flowering plant in the family Goodeniaceae and is endemic to the north-west of Western Australia. It is an ascending to erect herb with bristly hairs, and with narrow elliptic to lance-shaped leaves at the base of the plant and racemes of yellow flowers.
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Goodenia stellata is a species of flowering plant in the family Goodeniaceae and is endemic to inland areas of Western Australia. It is a low-lying to prostrate herb with elliptic to egg-shaped leaves with wavy edges, and racemes of yellow flowers.
Olearia lasiophylla is a species of flowering plant in the family Asteraceae and is endemic to south-eastern New South Wales. It is a shrub with hairy, elliptic leaves and white or mauve, and yellow daisy-like inflorescences.
Olearia montana is a species of flowering plant in the family Asteraceae and is endemic to the Southern Tablelands of New South Wales. It is a shrub with hairy, elliptic leaves with toothed edges, and mauve and purple daisy-like inflorescences.
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