Scientific Name:
Impatiens sodenii Engl. & Warb. (1895)
  • = Impatiens oliveri C.H Wright ex W.Watson (1903)
Vernacular Name(s):
Shrub balsam

Glabrous subshrub to c. 2 m high, bushy; stems green, ± succulent above. Lvs in whorls of up to 6. Petioles 0.5–2 cm long, winged. Lamina 6–12 × 2–3.5 cm, oblong or oblong-obovate, prominently glandular-ciliate; base attenuate or narrow-cuneate; apex acute. Fls solitary on slender pedicels amongst axils of uppermost lvs, 5–6.5 cm diam., pink. 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, flattened and in 1 plane; upper petal c. 2.5–3 × 2.5–3 cm, deeply emarginate; each lateral petal united at base, having a lower obovate and an upper suborbicular segment, c. 2–2.5 × 1.5–2.5 cm, slightly emarginate. Anthers rose. Fr. to c. 2.5 cm long, fusiform. Seed not seen.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]


Flowering: Jan.–Dec.

Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42.