Streptocarpus ionanthus is a small rock-dwelling species from Tanzania, often sold as Usambara Violet or called an African violet, though it is a Streptocarpus rather than true Saintpaulia. It grows best with bright, indirect light and moist but well-drained soil, and is grown as a houseplant.
Family
Gesneriaceae (African violet family)
Light
Bright indirect
Water
Water when the top of the potting mix begins to dry, avoiding wet leaves and crowns.
Soil
Fast-draining African violet or gritty peat-and-perlite mix.
Temperature
18–26 °C; protect below 10 °C
How easy
Moderate
Safety
Not toxic to cats or dogs (ASPCA).
Native range
E. & SW. Tanzania
Climate
seasonally dry tropical
About
Streptocarpus ionanthus (synonym Saintpaulia ionantha) is a species of Streptocarpus in the section Saintpaulia, commonly known as an African violet. It is native to eastern and southwestern Tanzania.
[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]
Text excerpted from the Wikipedia article Streptocarpus ionanthus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.