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Pteronia Flexicaulis
''Pteronia'' ("resin daisies") is a genus of evergreen, woody perennial plants assigned to the family Asteraceae with currently 76 described species. Like in almost all Asteraceae, the individual flowers are Merosity, 5-merous, small and clustered in typical heads, surrounded by an Bract#Involucral bracts, involucre of bracts. In ''Pteronia'', the centre of the head is taken by relatively few, yellow, Asteraceae#Floral heads, disc florets, while a ring of ligulate florets is absent. These florets sit on a common base (or Receptacle (botany), receptacle). Taxonomy A species of Gombos was first described and assigned to the new genus ''Pteronia'' by the famous Swedish naturalist Carl Linnaeus in the second edition of his groundbreaking Species Plantarum, the starting point of modern botanical nomenclature, that was published in 1763. He had not seen living plants or Herbarium#Specimen preservation, dried herbarium specimens, but based his description on an etching made by the Engl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pteronia Incana
''Pteronia incana'' ("Asbos" or "ash-bush") is a species of flowering plant in the family Asteraceae, indigenous to the Karoo regions of South Africa. Description This species has small, light grey, woolly, fragrant leaves, and forms a low, dense bush. Its fragrant leaves have a variety of medicinal uses. The flowerheads appear in Spring, at the tips of the branches. They are solitary, yellow, 15mm wide, with non-sticky yellow-green bracts, and small of coconut. Relatives It often co-occurs with its close relatives, '' Pteronia paniculata'' or '' Pteronia pallens'', both of which have distinctive yellow-green leaves. '' Pteronia glauca'' ("Boegoekaroo") is a very similar species, which also has light grey leaves. However, unlike ''P.incana'', its outer branches are always down-turned. Distribution and habitat The distribution of this species is in the south-western Cape of South Africa. It occurs throughout the Little Karoo and Robertson Karoo, northwards through the Tanq ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
