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Home Home » GENERA B » Berkheya » Berkheya purpurea
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Berkheya purpurea

Berkheya purpurea
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  • Berkheya fruticosa bud
  • Berkheya fruticosa flowerhead
  • Berkheya fruticosa leafy stems
  • Berkheya fruticosa open disc florets
  • Berkheya fruticosa shrub
  • Berkheya herbacea
  • Berkheya herbacea flowerheads
  • Berkheya onobromoides
  • Berkheya onobromoides flowerhead
  • Berkheya onobromoides leaves
  • Berkheya onobromoides with flowerhead and more to come
  • Berkheya purpurea
  • Berkheya purpurea leaf defence
  • Berkheya spinosa
  • Berkheya spinosa flower
  • Berkheya spinosa mature leaves
  • Berkheya spinosa young leaves

Image information

Description

Berkheya purpurea, the purple stream thistle or in Afrikaans the bloudisseldoring (blue thistle thorn), is a tufted perennial with a winged stem that reaches 80 cm in height. The basal leaf rosette in the photo without a stem yet, has larger leaves than will grow up the stem to follow.

The plant produces several large flowerheads concurrently at bloom-time, the ray florets in various shades of mauve to almost white, the disc dark in colour. Flowerheads reach a diameter of up to 8 cm. The flowers may be stalked or not, the involucral bracts leaf-like. Flowering occurs from midsummer to midautumn.

The distribution of this Berkheya is inland in the Eastern Cape, the eastern Free State and the southwestern mountains of KwaZulu-Natal, as well as in Lesotho.

It grows on grassy slopes and among scrub on streambanks. The species is not considered to be threatened in its habitat early in the twenty first century (Manning, 2009; Pooley, 1998; www.plantzafrica.com; http://redlist.sanbi.org).

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341
Photographer
Thabo Maphisa
Author
Ivan Latti
 
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