Figure 1:

Diagnostic differences between Abutilon grandifolium, A_ grandiflorum, and A_ sonneratianum, based on various flora accounts mentioned in the text, e_g_ Ulbrich (1913), Meeuse (1961), Exell & Gonçalves (1979), and Verdcourt & Mwachala (2009)_Tabela 1: Diagnostične razlike med vrstami Abutilon grandifolium, A_ grandiflorum in A_ sonneratianum glede na različna floristična dela, navedena v besedilu, npr_ Ulbrich (1913), Meeuse (1961), Exell & Gonçalves (1979) in Verdcourt & Mwachala (2009)_
| Character | A. grandifolium | A. grandiflorum | A. sonneratianum |
|---|---|---|---|
| Habit | Erect shrub, 1.5–3 m tall (occasionally taller), with coarse stems | Herb or subshrub, 0.75–1.5 m tall, with coarse stems | Shrub, 0.5–1.5 (–2) m tall, with slender stems |
| Stem indumentum | Densely covered with long (2–4 mm) simple hairs | Softly velvety, with dense stellate hairs | Densely velvety with short dense stellate hairs and scattered long white hairs |
| Leaves | 3–15 × 2–12 cm, cordate, coarsely serrate | Up to ~15 × 14 cm, broadly ovate-cordate, serrate | 2–7 (–10) × 1–5 (–7) cm, ovate to cordate, sometimes 3-lobed, dentate |
| Flowers | Yellow-orange, corolla 2–3.5 cm across | Yellow, corolla ~1.5–2 cm across | Yellow to orange-yellow; corolla ~2 cm across |
| Fruit (mericarps) | 10–17 mericarps per schizocarp, short-beaked, 5–7 mm long; 2–3 seeds per mericarp; fruit depressed-globose | ±20 shortly awned mericarps, 12–14 × 6–7 mm; 2–3 seeds per mericarp; fruit depressed-globose | 8–15 mericarps with an awn up to 2 mm, 10–14 × 7–9 mm; 3–8 (usually 5) seeds per mericarp; fruit subcylindrical to semiglobose |
| Distribution | Native to tropical America; locally invasive elsewhere (e.g. Canary Islands, Oceania, South Africa, Pacific Ocean Islands) | Native to Africa | Native to southern tropical Africa and South Africa |