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Home Home » GENERA E-F » Erica » Erica urna-viridis
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Erica urna-viridis

Erica urna-viridis
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  • Erica tenella showing many tiny urn-shaped flowers
  • Erica unicolor subsp. georgensis
  • Erica unicolor subsp. georgensis leaves
  • Erica unicolor subsp. mutica
  • Erica unicolor subsp. mutica branching leaf cluster
  • Erica unicolor subsp. mutica buds ready to open
  • Erica unicolor subsp. mutica leaves
  • Erica unicolor subsp. mutica open flowers
  • Erica urna-viridis
  • Erica urna-viridis at Silvermine
  • Erica versicolor
  • Erica versicolor flowers of many ages
  • Erica versicolor shiny and bicoloured
  • Erica versicolor unlikely flower colours
  • Erica versicolor, an Evanthe
  • Erica verticillata
  • Erica viscaria subsp. longifolia

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Description

Erica urna-viridis, sticky heath or groentaaiheide in Afrikaans, is a rare plant. It has a very small distribution area that lies in the Cape Peninsula, well-known for its large human population. Fortunately the Muizenberg Mountains between the Steenberg and Kalk Bay where the plant is found, enjoys enthusiastic protection from many citizens and institutions, both private and public. 

The smaller the habitat or natural domain of a species, the more important non-interference in that area becomes. This plant used to occur on Table Mountain where the human race cannot plead innocence of its disappearance (Wikipedia).

The flowers of Erica urna-viridis are sticky and pale green, especially when young. This specimen, photographed at Kirstenbosch, displays fading and faded flowers. The remaining flower does not show the normal pale green, but appears just about white. The urn-shape and green flower colour earned the plant the self-explanatory specific Latin name of urna-viridis.

Flowering occurs mainly in the first half of the calendar year. The plant grows to 1 m, often taller than the general fynbos of the particular habitat. The leaves are small, pale green and sparsely scattered along the stems. The plant has to grow from seed after fires, as it is not one of the species with the ability to resprout. It is also susceptible to the abnormal growth of witches’ broom that is more associated with proteas and other plant genera of the area than with ericas.

There is some doubt as to which pollinators serve Erica urna-viridis.  Sunbirds and various insects, including some hovering ones with long proboscises, have been observed around the flowers. Some insects also drill or eat their way through the sides of the corolla. No damage to the ovary is apparently caused by this.  

Growing this plant from cuttings is favoured over using seed, due to the difficulty of getting the seeds from the sticky flower remains.

More can be learnt about Erica urna-viridis from an informative article in www.plantzafrica.com.

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Photographer
Ivan Latti
Author
Ivan Latti
 
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