Caperonia fistulosa Beille

Similar to C. stuhlmannii, but differing as follows: plant not glanduliferous; the hollow stem somewhat thicker (up to 1 cm thick) and somewhat inflated; stipules 2–8 × 1.5–5 mm, ovate to ovate-lanceolate and slightly fimbriate; leaf blades very slightly shorter and broader; inflorescences slightly shorter; male flower buds up to 1.5 mm in diameter and glabrous or subglabrous; female sepals larger, accrescent to 3–8 × 1–4 mm; styles 1–2 mm long; fruit somewhat larger (5 × 7–9 mm), more coarsely echinate and hispid.

River banks, floodplains, dambos and drying waterholes in heavy black clay and sandy soils; seasonally waterlogged or permanently moist ground, with grasses and reeds; valley grassland and forest; mud, very heavy black cotton soil; to 1,030 metres.

Can be grown by seedlings.