| Pteronia glauca | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Pteronia |
| Species: | P. glauca |
| Binomial name | |
| Pteronia glauca Thunb. | |
Pteronia glauca ("Geelboegoekaroo") is a species of flowering plant in the family Asteraceae, indigenous to the Karoo regions of South Africa.
A shrub of roughly 60 cm, usually with downwards-drooping outer branches (especially when growing in very rocky ground). Branches can root where they touch the ground. It has small (5x3mm), light grey, woolly, fragrant leaves, and forms a low, dense bush.
The flowerheads appear in Spring, at the tips of the branches. They are yellow and small (5mm wide), with non-sticky yellow bracts. [1]
It often co-occurs with its close relatives, Pteronia paniculata or Pteronia pallens , both of which have distinctive yellow-green leaves. Pteronia incana ("Ash-bush") is a very similar species, which also has light grey leaves. However, unlike P.glauca, its outer branches are not down-curved. [2]
The distribution of this species is across the arid interior Karoo regions of South Africa. It occurs from the Namaqualand, through the Great Karoo and Little Karoo, into the Eastern Cape Province.
Its natural habitat is renosterveld and succulent karoo vegetation, often growing in loamy soils or arid flood plains, with underlying calcrete. [3]
Nicotiana glauca is a species of flowering plant in the tobacco genus Nicotiana of the nightshade family Solanaceae. It is known by the common name tree tobacco. Its leaves are attached to the stalk by petioles, and its leaves and stems are neither pubescent nor sticky like Nicotiana tabacum. It resembles Cestrum parqui but differs in the form of leaves and fusion of the outer floral parts. It grows to heights of more than two meters.
Pteronia is a genus of evergreen, woody perennial plants assigned to the family Asteraceae with currently 76 described species. Like in almost all Asteraceae, the individual flowers are 5-merous, small and clustered in typical heads, surrounded by an involucre of bracts. In Pteronia, the centre of the head is taken by relatively few, yellow, disc florets, while a ring of ligulate florets is absent. These florets sit on a common base.
The rufous-eared warbler is a species of bird in the family Cisticolidae. It is found in Botswana, Namibia, and South Africa. It is the only species in the genus Malcorus. Its natural habitats are subtropical or tropical dry shrubland and subtropical or tropical dry lowland grassland.
Glottiphyllum cruciatum is a rare species of succulent plant, of the family Aizoaceae. It is indigenous to arid areas near Oudtshoorn in the Western Cape, South Africa. The plant has many synonyms including Glottiphyllum angustum.
Astroloba foliolosa is a small succulent plant of the genus Astroloba widespread in the arid parts of the Eastern Cape Province, South Africa.
Crassula cotyledonis is a succulent plant endemic to the arid Namaqualand and Karoo regions of South Africa.
Melaleuca incana, commonly known as grey honey-myrtle, is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia and is naturalised in the south of Victoria in Australia. It is commonly grown as a garden plant and produces large numbers of white or creamy yellow flowers, sometimes highly scented, in spring.
Cadaba aphylla ("Swartstorm") is one of some 30 species in the genus Cadaba. It is indigenous to southern Africa.
Crassula cultrata is a succulent plant native to the southern parts of South Africa.
Crassula atropurpurea is a succulent plant, very common and widespread in the southern Karoo regions of South Africa and Namibia.
Pteronia paniculata is a species of flowering plant in the family Asteraceae, indigenous to the Karoo regions of South Africa.
Pteronia pallens is a species of flowering plant in the family Asteraceae, indigenous to the Karoo regions of South Africa. Its natural habitat is dry, rocky slopes. It often cooccurs with its close relatives, Pteronia paniculata or Pteronia incana.
Pteronia incana is a species of flowering plant in the family Asteraceae, indigenous to the Karoo regions of South Africa.
The African sheepbush is a plant native to South Africa and Namibia. It ranges throughout the Succulent Karoo, Nama Karoo, renosterveld, and fynbos, and it is listed under the SANBI Red List as "safe" (LC).
Pteronia oppositifolia is a species of flowering plant in the family Asteraceae, indigenous to the western Little Karoo and Overberg regions of South Africa.
Protea sulphurea, also known as the sulphur sugarbush, is a flowering plant of the genus Protea in the family Proteaceae, which is only known to grow in the wild in the Western Cape province of South Africa. A vernacular name for the plant in the Afrikaans language is heuningkoeksuikerbos or Skaamblom.
Euphorbia rhombifolia is a species of flowering plant in the Euphorbiaceae family. It is native to Namibia and South Africa, where it is widespread in clay-rich soils, extending as far east as Kwazulu-Natal.
Dianthus basuticus, called the Drakensberg carnation, Lesotho carnation, Lesotho pink, hlokoa‑la‑tsela in the Sesotho language and Lesothose wilde angelier in Afrikaans, is a species of Dianthus native to South Africa and Lesotho. It is a near-endemic of the Drakensberg Alpine Centre, and occurs predominantly on rocky, grassy slopes, from Avontuur and the Kammanassie mountains in the Western Cape, through the Eastern Cape and into KwaZulu-Natal Province.
Dianthus bolusii, called the mountain pink or bergangelier, is a species of flowering plant in the family Caryophyllaceae.
Dianthus caespitosus, called the Karoo pink or koperangelier, is a species of flowering plant in the family Caryophyllaceae.
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