Pimelea venosa

Location & distribution maps

Phylogeny & links to associated information

Wikipedia links:       Angiosperms > Eudicots > Rosids  > Malvids > Malvales > Thymelaeaceae > Pimelea  venosa

Other links:     

Plant  information

• Overview:   

• Pimelea venosa, commonly known as Bolivia Hill rice-flower, is a flowering plant in the family Thymelaeaceae and is endemic to a restricted area of NSW

• It is an erect shrub with densely long-hairy stems and leaves, elliptic to lance-shaped leaves and small groups of white flowers

Common name:         Bolivia Hill Rice-flower

Conservation status: Endangered

• This rice-flower is listed as "endangered" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999

• The main threats to the species include habitat disturbance, browsing by feral goats, inappropriate fire regimes and its restricted distribution

Etymology:   

• Pimelea is from the Ancient Greek word pimele, meaning "fat or "lard", possibly referring to the oily seeds or fleshy cotyledons 

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Flowers

• Bisexual, white, arranged in groups of three to six with between two and six small, leaf-like bracts at the base

Fruit:                            

• The fruit is oval, green and about 4 mm long

Leaves:         

• The leaves are elliptic to lance-shaped with the narrower end towards the base, 10–15 mm long and 4–6 mm wide

• They are densely covered with long, soft, whitish hairs

Stem & branches: 

• Branches are densely covered with long, soft, whitish hairs

Roots:         

Habit:        

• An erect shrub that typically grows to a height of 1.5 m 

Habitat:   

Distribution:                  

• Bolivia Hill rice-flower is only known from near Bolivia on the Northern Tablelands of NSW but was previously recorded near Tenterfield and 100 km east of this region

• Surveys in 1999 and after a bushfire in 2012 found no plants in known sites but after a low intensity fire in late 2019, about 200 seedlings were found

Additional notes:    

• Taxonomy and naming

  • Pimelea venosa was first formally described in 1983 by S. Threlfall in the journal Brunonia, from a specimen collected by Ernst Betche near Bolivia in 1886

Sources of information:

• https://en.wikipedia.org/wiki/Pimelea_venosa (July 2024)