Benth. in A. DC., Prod. 10:426 (1846).
Synonymy: Not Applicable
Common name: Desert mud-mat. (Ilk Jessop (1981) Flora of central Australia, fig. 431A & B.)
Tiny glabrous aquatic or terrestrial ?annual herb forming mats; leaves clustered to widely spaced, 2-10 rarely 15 mm long, with the mid-vein apparent only on the underside of the petiole, obscure on the blade, the thin flat, often white petiole abruptly dilated into the thick, narrow-elliptic to more or less circular, obtuse recurred green blade 0.2-0.3 rarely 0.5 times the length of the petiole; pedicels erect, 3-10 rarely 20 mm long, 1-2 times the length of the leaves.
Calyx campanulate or broadly so, 1-2 mm long, green, often with black lines, with 1 large and 2 smaller teeth; corolla conspicuous, 2-lipped, white or blue or pink with a white to yellow rim, the 5 lobes c. 1 mm long, with glabrous margins; stamens 4, in pairs of unequal length, included in the corolla; stigmatic lobe elliptic.
seeds 0.5-0.8 rarely 0.4 mm long.
||Habit and flower.
Image source: fig. 581B in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
In fine silt of rockpools, mud by creek.
S.Aust.: NW, LE, EP, SL, KI. W.Aust.; Vic.
Flowering time: Aug. — Nov.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
The significance of single collections from SL (Mr Pleasant) and EP (Chilpuddie Rock) with flowers with 2 and 4 stamens has yet to be established.
Not yet available