Isopogon asper

Location & distribution maps

Phylogeny & links to associated information:

Wikipedia links:       Angiosperms > Eudicots >  Proteales > Proteaceae > Isopogon asper 

Other links:     

Plant  information

Common name:               . . . 

Conservation status:   Not threatened

Etymology:   

• Isopogon:  isos – equal,  pogon – beard alluding to the fringed flowers

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Flowers:                  

• The flowers are arranged in sessile, densely clustered, flattened-spherical heads up to 40 mm in diameter

• The involucral bracts are egg-shaped and pointed and the flowers are about 18 mm long, pink and glabrous

• Flowering occurs from June to October and the fruit is a hairy nut, fused in a spherical head up to 20 mm in diameter

Fruit:                         

Leaves:         

• The leaves are crowded, up to about 20 mm long

• Pinnate with cylindrical or grooved leaflets 

• Petiole up to about 13 mm long

Stem & branches: 

• A shrub that typically grows to a height of 0.2–0.8 m 

• Has hairy reddish-brown branchlets

Roots:         

Habit:        

• It is a low shrub with crowded pinnate leaves and flattened spherical heads of glabrous pink flowers

Habitat:   

• Grows in low open heath, often with soil derived from granite

Distribution:                  

•  Endemic to the south-west of Western Australia

• From Harvey to near Jurien Bay in the south-west of Western Australia

Additional notes:     

• Taxonomy

  • Isopogon asper was first formally described in 1830 by Robert Brown in the Supplementum to his Prodromus Florae Novae Hollandiae et Insulae Van Diemen 

  • Specimens collected in 1827 near the Swan River, by Charles Fraser

Sources of information:

• https://en.wikipedia.org/wiki/Isopogon_asper (2023)