| Drosanthemum quadratum | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Aizoaceae |
| Genus: | Drosanthemum |
| Species: | D. quadratum |
| Binomial name | |
| Drosanthemum quadratum Klak | |
Drosanthemum quadratum is a succulent plant in the ice plant family, Aizoaceae, indigenous to the Overberg region of the Western Cape Province, South Africa.
A low-growing or decumbent succulent shrub. The yellow-green leaves are slightly triangular in cross-section. They are small (8 x 4mm) and fused at the base (connate).
The young flowers have erect stamens and staminodes forming a central cone. The petals each have a central line.
There are four lobes around the flower base. The fruit capsule is also 4-locular. It is 8mm wide and crumbles soon after releasing the seeds.
The stalks (pedicels) are brown and darker coloured towards their bases. They are thickest midway along and thinnest near the top. Like many other Drosanthemum species, the pedicel has a layer of cork within it, especially near the base. [1] [2] [3]
This species is endemic to the Western Cape Province, South Africa.
It occurs in quartz-patches, with underlying clay, in rocky renosterveld vegetation between Bredasdorp, Swellendam and Riversdale, in the Overberg region. [4] [5]
It is listed as an endangered species. [6]
The Aizoaceae, or fig-marigold family, is a large family of dicotyledonous flowering plants containing 135 genera and about 1800 species. They are commonly known as ice plants or carpet weeds. They are often called vygies in South Africa and New Zealand. Highly succulent species that resemble stones are sometimes called mesembs.
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.
Acrodon is a genus of ice plants from South Africa. It comprises five species, mostly endangered and all restricted to the southern Cape regions of the Western Cape and Eastern Cape Provinces, South Africa.
Trichodiadema attonsum is succulent plant of the genus Trichodiadema, native to the Western Cape Province, South Africa, where it is common among pale quartzite rocks in the western Little Karoo region. Unlike most other species in its genus, it does not have a typical diadem on its leaf-tips.
Drosanthemum micans, is a succulent plant in the ice plant family, Aizoaceae, indigenous to the Robertson Karoo and Overberg regions of the Western Cape Province, South Africa.
Pteronia glauca ("Geelboegoekaroo") is a species of flowering plant in the family Asteraceae, indigenous to the Karoo regions of South Africa.
Pteronia oppositifolia is a species of flowering plant in the family Asteraceae, indigenous to the western Little Karoo and Overberg regions in the Cape Provinces of South Africa.
Euphorbia tenax is a species of Euphorbia endemic to South Africa, where it occurs in the Northern Cape and Western Cape provinces, around Kotzesrus and southwards as far as Nieuwoudtville and Cape Town. Its preferred habitat is sand Fynbos and Succulent Karoo on shale-derived slopes.
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.
Euphorbia burmannii is a species of Euphorbia indigenous to Namibia and South Africa, where it is widespread in sandy soils, extending southwards to the Cape Peninsula and as far east as Grahamstown.
Drosanthemum lavisii is a succulent plant in the ice plant family, Aizoaceae, indigenous to the Overberg region of the Western Cape Province, South Africa.
Ruschia leptocalyx is a species of succulent plant in the family Aizoaceae. It is endemic to South Africa, where its natural habitat is in rocky renosterveld vegetation in the southern Cape.
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.
Gladiolus patersoniae is a herbaceous perennial plant belonging to the genus Gladiolus of the family Iridaceae, indigenous to the southern Cape regions of South Africa.
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.
Dianthus thunbergii is a species of flowering plant in the family Caryophyllaceae.
Selago eckloniana is a species of plant in the family Scrophulariaceae. It is endemic to the Western Cape, South Africa.
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