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Home Home » TYPES » Shrubs » Heterorhachis aculeata recurving stigma branches
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Heterorhachis aculeata recurving stigma branches

Heterorhachis aculeata recurving stigma branches
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  • Heterorhachis aculeata
  • Heterorhachis aculeata bracts covering the flowerhead
  • Heterorhachis aculeata disc floret anthers
  • Heterorhachis aculeata leaf lobe twisting
  • Heterorhachis aculeata leaf spines
  • Heterorhachis aculeata open flowerhead
  • Heterorhachis aculeata raceme of buds
  • Heterorhachis aculeata ray florets nearly opening
  • Heterorhachis aculeata recurving stigma branches
  • Heterorhachis aculeata stem-tip
  • Hirpicium integrifolium
  • Hirpicium integrifolium flowerhead before opening
  • Hoplophyllum spinosum
  • Hoplophyllum spinosum fruit
  • Hoplophyllum spinosum leaves
  • Hoplophyllum spinosum new erect stems after rain
  • Hoplophyllum spinosum red buds

Image information

Description

This Heterorhachis aculeata flowerhead has disc florets varying in maturity. Some recurving stigma branches protrude above the disc floret corollas near the outer margin of the disc.

It seems as if stamens perform first in these disc florets, followed by the styles that hung back in maturation in order to be fertilised by later pollen brought from elsewhere by insects, rather than receiving the pollen produced in their own florets (Leistner, (Ed.), 2000; Bond and Goldblatt, 1984; iNaturalist).

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222
Photographer
Thabo Maphisa
Author
Ivan Latti
 
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