Scientific Name:
Raoulia australis
Pronunciation:
ra-OO-lee-uh aw-STRAY-liss
Common Name:
scab plant, scabwort, common mat daisy
Family Name:
Asteraceae
Plant Type:
Broadleaf evergreen, Ground cover
Key ID Features:
A flat carpet of lead-grey foliage that creeps along between and over small rocks.
Habit:
Horizontal, Spreading
Form:
Creeping / Mat-like
Texture:
Fine
Mature Height:
< 0.1m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Slow
Origin:
Australia / New Zealand (New Zealand)
Hardiness Rating:
Zone 8a: (-12 to -9.5 °C)
Exposure:
Full sun
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Landscape Uses:
Alpine, Ground cover
Additional Info:
Leaf Morphology:
Form:
Simple, Scale-like
Arrangement:
Alternate, Imbricate
Texture/Venation:
Leathery
Surfaces:
Glabrous
Colour in Summer:
Silver / Grayish
Colour in Fall:
Silver / Grayish
Shapes:
Rhomboidal
Apices:
Acute
Bases:
Truncate
Margins:
Entire
Additional Info:
to 2mm long
Inflorescence Type:
Head (capitulum)
Flower Morphology:
Flowers perfect
Corolla Shape:
Ligulate
Ovary Position:
Inferior
Colour (petals):
Showy, Yellow
Flower Time at Peak:
Jun, Jul, Aug
Additional Info:
to 6mm wide
Fruit Type:
Achene
Fruit Colour:
Brown
Fruiting Time:
Bark or Stem Colour:
Organ Modifications:
Runners (or stolons)
Other:
protect from excessive moisture; clumps may be divided in early spring; will survive moderate foot traffic
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
Course(s):
- not used (on campus)
Location(s):
- (HPZ) Horticulture PlaZa : over pass entrance bed