Prostanthera rotundifolia

Prostanthera rotundifolia 'Mini Pink':

Location & distribution maps

Phylogeny & links to associated information:

Wikipedia links:       Angiosperms  > Eudicots > Asterids >   Lamiales > Lamiaceae   > Prostanthera  rotundifolia

Other links:     

Common name:         Round-leaved Mint-bush

Conservation status: ...

• and is listed as "vulnerable" under the Tasmanian Government Threatened Species Protection Act 1995

Etymology:   

• Prostanthera is derived from the Greek for an appendage

• The specific epithet rotundifolia means "rounded leaves"

Flowers

• The flowers are arranged in leaf axils near the ends of branchlets with bracteoles 1–2 mm but that fall off as the flower develops

• The sepals are 4–5 mm long forming a tube 2–3.5 mm long with two lobes, the upper lobe 1.5–2 mm (0.059–0.079 in) long

• The petals are purple to pinkish and 2–8 mm long forming a cup-shaped tube

• Flowering occurs from September to November

Fruit:                            

Leaves:         

• The leaves are egg-shaped to more or less round, 3–20 mm long and 3–15 mm wide 

• They are on a petiole 2–8 mm long

Stem & branches: 

• It has aromatic branches that are covered with short hairs and sessile glands

Roots:         

Habit:        

• An erect, compact to spreading shrub that typically grows to 0.5–3 m high and 1.5–2.5 m wide

Habitat:   

• Woodland, forest and rainforest margins, often in rocky places 

Distribution:                  

• It is widespread and locally common in the eastern half of NSW and the southern half of Victoria

• It also occurs in northern and eastern Tasmania but where it is less common

Additional notes:     

• Taxonomy

  • Prostanthera rotundifolia was first formally described in 1810 by Robert Brown in his treatise Prodromus Florae Novae Hollandiae et Insulae Van Diemen

• Use in horticulture

  • In cultivation the species and the cultivar ‘Rosea’ have gained the Royal Horticultural Society's Award of Garden Merit

Sources of information:

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