craspedia การใช้

• There are two centres of diversity in " Craspedia ", both associated with upland areas.
• "Craspedia " are rosette-forming herbs with compound capitula borne on erect, unbranched scapes.
• Most species are perennial; one species is recorded as an annual ( " Craspedia haplorrhiza " ).
• "Craspedia " can be propagated by cutting a rosette from a clump, but generally seed is a more reliable and rapid method.
• Species of " Craspedia " are found in a wide range of habitats from coastal to alpine and are generally plants of open areas, sometimes ruderal.
• This is apparent in the absence of " Craspedia " from parts of western Tasmania which are characterised by soils derived from pre-Cambrian quartzose rock.
• "Craspedia " grow in a wide range of soil types, including sands, gravels, clays, and loams, which are derived from different geologies across a broad rainfall gradient.
• One way to distinguish these genera is to note whether the individual flowers are directly attached to the flower base ( " Pycnosorus " ) or are attached via little stalks ( " Craspedia " ).
• In Australia " Craspedia " are commonly found growing in forest habitat, whereas in New Zealand they are generally excluded from closed " Nothofagus " forests . " Craspedia " species may occur in dense, widespread populations in mainland Australia, but generally not in New Zealand or Tasmania.
• In Australia " Craspedia " are commonly found growing in forest habitat, whereas in New Zealand they are generally excluded from closed " Nothofagus " forests . " Craspedia " species may occur in dense, widespread populations in mainland Australia, but generally not in New Zealand or Tasmania.
• ""'Craspedia variabilis " "', commonly known as "'billy buttons "'is an erect annual or perennial herb which occurs in all mainland states of Australia except for the Northern Territory and in a wide range of habitats in temperate zones but not in alpine areas.