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Swartberg Dottypea

Psoralea swartbergensis

Swartberg Dottypea
Photo: Nicola van Berkel, South Africa, CC BY-SA 4.0

Psoralea swartbergensis is a small spreading shrublet in the pea family, endemic to the Swartberg mountains of the Western Cape, South Africa, and known from only six locations. It is grown only rarely, so the key to growing it is to treat it like a small fynbos shrub with good drainage and summer dryness.

Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun
Water
Water sparingly once established, allowing the soil to dry out between waterings.
Soil
Sandy or gritty, well-drained soil, similar to sandstone-derived fynbos substrates.
Temperature
Suited to subtropical to mild conditions; protect from hard frost.
How easy
Moderate
Native range
Cape Prov.
Climate
subtropical

About

Psoralea swartbergensis is a small spreading shrub assigned to the Pea family. All green parts are covered in hairs. It has many slender stems that are woody at their base, alternately set clover-like leaves and heads consisting of 6–15 mauve to purple, pea-like flowers on long peduncles in the axils of the leaves. This species is an endemic of the Swartberg mountains in the Western Cape province of South Africa. It mostly flowers in November and December.

Where it grows

Psoralea swartbergensis is considered a near-threatened species because it is known from six locations only and may suffer from competition by invasive plants. Here it grows on sandstone slopes along seeps and on the bank of streamlets in a vegetation type called Sandstone Fynbos.

Other Psoralea plants

Psoralea curtisiae · Grimolobium holosericeum · Psoralea accrescens · Blue Fountain Pea Tree · Waterfall Fountainbush · Psoralea dreweae · Fascicled Fountainbush · Psoralea lucens · Psoralea nitens · Psoralea pilifera · Fountain bush · Psoralea saxosa

Text excerpted from the Wikipedia article Psoralea swartbergensis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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