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Streptocarpus goetzeanus

Streptocarpus goetzeanus
Photo: Engler, Adolf, 1844-1930, No restrictions

Streptocarpus goetzeanus is a small lithophytic subshrub from the Uluguru Mountains of Tanzania, grown as a houseplant for its violet and white flowers. It is notoriously hard to keep, as it needs the humid, shaded, mossy-rock conditions of its native cloud forest.

Family
Gesneriaceae (African violet family)
Grows as
Shrub
Light
Shade
Water
Keep the compost evenly moist and never waterlogged; use water at room temperature and avoid wetting the leaves.
Soil
Free-draining, humus-rich African violet mix with added perlite or bark.
Temperature
18–25 °C; protect below 13 °C
How easy
Hard
Safety
Not toxic to cats or dogs (ASPCA).
Native range
Tanzania (Uluguru Mts.)
Climate
wet tropical

About

Streptocarpus goetzeanus, synonym Saintpaulia goetzeana, is a species of Streptocarpus in the section Saintpaulia, commonly known as an African violet. It is a small, flowering plant that is used widely in home horticulture. S. goetzeana was first collected in 1898 by W. Goetze, and it was later described as a species by Engler in 1900.

How to grow it

Streptocarpus goetzeanus is very hard to cultivate due to the narrow conditions it needs to grow, such as mossy rock surfaces in deep shade. These conditions are hard to reproduce, making cultivation difficult.

Where it grows

Members of Streptocarpus section Saintpaulia are native to eastern tropical Africa. There is a concentration of species in the Nguru Mountains of Tanzania. This particular species is only found at the higher elevations of 1300–2000 meters.

Other Streptocarpus plants

Streptocarpus sect. Saintpaulia · Streptocarpus glandulosissimus · Streptocarpus inconspicuus · African Violet · False African Violet · Cape primrose

Text excerpted from the Wikipedia article Streptocarpus goetzeanus 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.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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