Lindley in T.L. Mitchell, Three Exped. Int. eastern Austral. 2:12 (1838).
Synonymy: Not Applicable
Common name: Corrugated (or variable) sida.
Prostrate to decumbent perennial developing a thick rootstock, spreading to 30 cm or more in diam.; leaves with a blade 1 or 2 times the length of the petiole, orbicular or broad-obovate to narrow-ovate, coarsely bluntly serrate with 2-4 teeth/cm, discolorous, stellate-pubescent of varying density and persistence, the venation prominent below.
Rhachis absent, the flowers 1 or 2 in leaf axils but sometimes appearing as if in a terminal raceme or thyrse, with peduncles filiform and 3-15 mm long in flower, hardly enlarged in fruit; calyx 3-4 mm long, hardly enlarging in fruit, appressed-pubescent, with lobes one-third to one-half of its length, broad-triangular, acute to obscurely acuminate; corolla 5-6 mm long, yellow.
Schizocarp transverse-ellipsoid to ovoid, c. 4-5.5 mm diam., prominently radially grooved between the carpels, puberulent or glabrous, densely deeply rugose on the sides, the central apical region flat or raised, the 6-10 mericarps grooved or notched at the apex, deeply reticulate on their sides.
Flowering time: No flowering time is available
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
The species is polymorphic across southern Australia. Three varieties seem distinguishable in S.Aust.; they show some tendency to intergrade.
Not yet available