Domin, Biblthca Bot. 89:944 (1928).
Synonymy: S. rhombifolia L. var. incana Benth., Fl. Aust. 1:196 (1863).
Common name: Shrub sida.
Shrubs often c. 50 cm high, finely but densely stellate-hoary; leaf blades several times as long as the petioles: oblong or oblong-elliptic to narrow-lanceolate, 15-45 x 3-8 mm, obtuse at the base, crenate or dentate with c. 4 teeth/cm, hoary.
Flowers solitary in the axils of the leaves, sometimes as if in terminal racemes through an occurrence in a young shoot with small leaves, on articulated peduncles 10-30 mm long and lengthening in fruit; calyx 6-10 mm long, not greatly enlarging in fruit, 10-ribbed, stellate-pubescent outside, the lobes as long as the tube and pubescent with simple hairs inside, clasping the fruit; corolla 7-11 mm long, yellow.
schizocarp slightly transverse-ellipsoid, flattish apically, subglabrous, 5-6 mm diam.; mericarps 8-10, 2-ribbed and transversely wrinkled on the back, reticulate on their sides, tapering into 2 erect apical awns which are short or nearly as long as the mericarp and barbellate with short reflexed hairs.
||Sida rohlenae leaf, fruit and mericarp.
Image source: fig 440l in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Rare in S.Aust.
W.Aust.; N.T.; Qld; N.S.W.
Flowering time: May, Aug. (few records).
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Not yet available