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Drosera zeyheri
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Rosetted form of D. zeyheri below Napier Mountain, WC, South Africa
Stemmed form of D. zeyheri near Greyton, WC, South Africa
D. zeyheri below Napier Mountain, WC, South Africa
Renosterveld habitat near Greyton, WC, South Africa
Species Information
Nomenclature: Drosera zeyheri Salter
Publication:
Description:
Distribution in South Africa: WC
Habitat:
Conservation:
Phenology:
Taxonomy & Variation: D. zeyheri is in need of a taxonomic revision. It is unclear whether or not the forms with leafy stems and those without stems represent the same species. The type specimens are a mix of both forms, but I have not yet seen populations where both forms are present. Within our broad concept of D. zeyheri, there are distinct forms endemic to certain vegetation types that warrant further review. A very small form with a few cauline leaves can be found in silcrete renosterveld near Durbanville, Stellenbosch, and Somerset West. A white-flowered form is known from sandstone fynbos on the Cape Peninsula and Overberg area, especially around the Kleinrivier Mtns.
A particularly large, pale-tentacled plant is common in the Garden Route area, and east to Port Alfred. This was once described as D. cistiflora var. exilis but is frequently identified as D. zeyheri (or D. aff. zeyheri). This plant is clearly more closely allied to D. zeyheri it is to D. cistiflora and will be elevated to species status in the future.
Drosera coccipetala is known from a handful of small sites in the Overberg, especially around Caledon.
D. zeyheri (bottom) and D. coccipetala are both easily distinguishable from D. cistiflora (top) in having styles that are similar in length to the filaments. In D. cistiflora, the styles extend far beyond the filaments.
A pink form from the base of Caledon Mtn, WC, South Africa
Robust plants from the Garden Route area and often identified as D. zeyheri or D. aff. zeyheri were described as D. cistiflora var. exilis and will be elevated to species rank in the future
A closer look will likely reveal hidden diversity within D. zeyheri, such as these minute plants found only in silcrete renosterveld
White-flowered forms are known from sandstone fynbos in the Overberg and on the Cape Peninsula
The basal rosette leaves of D. zeyheri (Greyton, WC, South Africa)
D. zeyheri can be abundant in suitable, open habitat
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