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Electronic Flora of South Australia species Fact Sheet

Sida rohlenae

Citation: Domin, Biblthca Bot. 89:944 (1928).

Synonymy: S. rhombifolia L. var. incana Benth., Fl. Aust. 1:196 (1863).

Common name: Shrub sida.

Description:
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.

image of FSA2_Sida_roh.jpg 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).

Distribution:  Rare in S.Aust.

  W.Aust.; N.T.; Qld; N.S.W.

Conservation status: native

Flowering time: May, Aug. (few records).


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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