Impatiens sodenii Engl. & Warb. ex Engl. APNI*
Description: Subshrub to c. 2 m high, suckering, bushy, glabrous. Stems few-branched, green above, red below, thick, ± succulent except at base.
Leaves in whorls of up to 6; lamina oblong or oblong-obovate, 6–12 cm long, (1.5–) 2–3.5 cm wide, base attenuate or narrow-cuneate, margin prominently toothed, apex acute; petiole 0.5–2 (–3) cm long, broadly winged (so leaves often appearing sessile).
Flowers solitary on slender pedicels amongst axils of uppermost leaves, 5–6.5 cm diam., usually pale pink, but varying from white to violet. Lateral sepals 10–11 mm long, ovate, acuminate; posterior sepal broadly ovate, convex and keeled when fresh, flat or nearly so when dry; spur 2–4.5 cm long; very slender. Corolla irregular, with face flattened; upper petal c. 2.5–3 cm long, 2.5–3 cm wide, deeply emarginate; each lateral petal united at base, having a lower obovate and an upper suborbicular segment, c. 2–2.5 cm long, 1.5–2.5 cm wide, slightly emarginate. Anthers rose.
Fruit to c. 2.5 cm long, fusiform, distinctly 5-ribbed, c. 3 mm wide. Seed not seen.
Flowering: Recorded flowering in January and June in N.S.W.
Distribution and occurrence: Native to E tropical Africa. Naturalised on granite outcrops in SE New South Wales and SW Western Australia. Also recorded from South Australia, Victoria and Tasmania as an occasional garden escape, probably from dumped garden waste.
Recorded growing in disturbed woodland, in loam, in rocky areas, and in shallow clay loam on gully floor in shady areas in weedy moist eucalypt forest; garden escape or from spread from garden refuse dumping.
NSW subdivisions: *SC
Text by R.L. Barrett, Flora of Australia Online [accessed 15 Jun. 2023]. added by K.L. Gibbons 15 Jun. 2023.
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.