ASTERACEAE

Crystallopollen angustifolium

Pincushion Vernonia

Wildflowers

Local Context

Occurs sparsely in open woodland, grassy patches, and along sandy track edges in the estate. Be careful not to confuse it for the very common Parapolydora fastigiata (Broom Vernonia), which can easily be distinguished by its stiffly erect, broom-like growth habit, its noticeably broader leaves with flat margins, and its flower heads packed into tight, flat-topped terminal clusters.

Identification

Growth: Erect perennial herb (0.3–1.2 m) with stiff ribbed stems sprouting from a woody rootstock.
Leaves: Very narrow, linear bright green leaves with pointed tips and smooth to finely toothed margins.
Flowers: Bright purple to magenta cup-shaped flower heads (1.5–2.5 cm) borne in loose terminal clusters.
Fruit: Small ribbed dry brown fruits topped with a crown of bristles for wind dispersal.
Texture: Foliage feels smooth to slightly rough, carried on stiff, distinctly ribbed stems.

Did You Know?

For decades, botanists placed the Pincushion Vernonia under the genus Polydora - unaware of an 180-year-old clerical oversight. In 2022, SANBI taxonomist John Manning and Kew's Rafaël Govaerts revealed that Polydora was never legally published in 1844, rendering its modern revival illegitimate. Instead, an obscure name published in 1864 - Crystallopollen, named for its faceted, crystal-like pollen grains - held rightful priority. Because Crystallopollen angustifolium was the original 1864 type species, its lawful resurrection triggered the formal renaming of the entire genus across the African continent.

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