The Asclepiadoideae are a subfamily of plants in the family Apocynaceae. Formerly, they were treated as a separate family under the name Asclepiadaceae, e.g. by APG II, and known as the milkweed family.
Goyder's Line is a line that runs roughly east–west across South Australia and, in effect, joins places with an average annual rainfall of 10 inches (250 mm). North of Goyder's Line, annual rainfall is usually too low to support cropping, with the land being suitable only for grazing. Related to that, the line also marks a distinct change in vegetation. To the south, it is composed mainly of mallee scrub, whilst saltbush predominates to the north of the line.
Dutchman's pipe is a common name for some unrelated flowering plants, which have flowers, inflorescences or stems resembling a pipe:
George Woodroffe Goyder was a surveyor in the Colony of South Australia during the latter half of the nineteenth century.
Cynanchum is a genus of about 300 species including some swallowworts, belonging to the family Apocynaceae. The taxon name comes from Greek kynos and anchein, hence the common name for several species is dog-strangling vine. Most species are non-succulent climbers or twiners. There is some evidence of toxicity.
Epiphyllum oxypetalum, the Dutchman's pipe cactus, princess of the night or queen of the night, is a species of cactus with a native range from Mexico to Nicaragua. It blooms nocturnally, and its flowers wilt before dawn. Though it is sometimes referred to as a night-blooming cereus, it is not closely related to any of the species in the tribe Cereeae, such as Selenicereus, that are more commonly known as night-blooming cereus. All Cereus species bloom at night and are terrestrial plants; Epiphyllum species are usually epiphytic.
Oxypetalum coeruleum is a species of flowering plant, native to South America from southern Brazil to Uruguay. The synonymous name Tweedia caerulea is also used. Growing to 100 cm (39 in) long, it is a straggling evergreen perennial with heart shaped, gray-green, downy leaves. It is grown for its clear pale blue, star-shaped flowers, which are long lasting and cut well. The summer flowers age to purple and are followed by 30 cm (12 in) long, boat-shaped seed pods. The seeds have downy parachute-like tufts (cypsela).
Oxypetalum is a genus of flowering plants in the family Apocynaceae, first described with this name in 1810. The genus is native to South America.
The Regional Council of Goyder is a local government area located in the Mid North region of South Australia. The council area is reliant on agriculture as a mainstay of its economy, with manufacturing and tourism also becoming prominent. The council seat is at Burra. A branch office is at Eudunda.
Rapid Creek refers to both a creek in the city of Darwin, Northern Territory, Australia and the name of a suburb north of the city, situated where the creek meets Darwin Harbour. It is the traditional country and waterways of the Larrakia people.
Robertstown is a town in the Mid North region of South Australia, situated 125 km north of Adelaide, in the Regional Council of Goyder. At the 2021 census, Robertstown had a population of 223 people.
Lilium oxypetalum is a small to medium member of the Liliaceae family which grows to a height of 20–30 cm. It is native to the N. W. Himalayas. It grows as a single stem from a bulb, preferring a cool, shady position in moist, acid soil. The green stem is tinged with purple and supports a scattering of linear to lanceolate leaves, sometimes in a whorl beneath the flowers. The leaves are up to 7 cm long. The yellow, semi-pendant, unscented flowers are produced in early summer in ones or twos on slender stems. The flowers are shaped like a shallow bowl, up to 5 cm across and have a scattering of purple spots near the centre.
Tweedia is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1835. The genus is native to South America. An ornamental plant, Oxypetalum coeruleum, formerly included in this genus is commonly referred to as "tweedia".
- Tweedia andina(Phil.) G.H.Rua - Chile
- Tweedia aucaensisG.H. Rua - Argentina
- Tweedia australis(Malme) C. Ezcurra - Argentina
- Tweedia birostrata(Hook. & Arn.) Hook. & Arn. - Chile
- Tweedia brunonisHook. & Arn. - Argentina, Bolivia, Paraguay
- Tweedia echegarayi(Hieron.) Malme - Argentina
- Tweedia solanoides(Hook. & Arn.) Chittenden - Argentina, Brazil, Paraguay, Uruguay
Philibertia is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1819. It is native to South America.
Point Pass is a small town in the Mid North of South Australia, 115 kilometres north of Adelaide. It is located 11 kilometres (6.8 mi) north of Eudunda, in the Regional Council of Goyder. As of 2021, the population of Point Pass was 123.
Peep Hill is a rural locality in the Mid North region of South Australia, situated 120km north-east of Adelaide in the Regional Council of Goyder. It was established in August 2000, when boundaries were formalised for the "long established local name". As of 2021, Peep Hill has a population of 22 residents.
Neoen is a French producer of exclusively renewable energy headquartered in Paris, France. Founded in 2008, it develops, finances, builds and operates solar power plants, wind farms and energy storage solutions. As at 30 June 2023, the company's total capacity was 7 GW, made up of 47% solar, 34% wind and 19% battery storage. Neoen aims to attain 10 GW in operation or under construction by 2025.
Aspidonepsis is a genus of flowering plants belonging to the family Apocynaceae.
Sedum oxypetalum, the dwarf tree stonecrop, is a species of flowering plant in the family Crassulaceae, native to Mexico. A semi-woody succulent shrub reaching 0.6 m (2 ft), it has a tree-like growth form.
