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Petrocosmea kerrii

Petrocosmea kerrii
Photo: Averater, CC BY 4.0

Petrocosmea kerrii is a small lithophyte in the African violet family, native to southwest China and northern Indo-China, sometimes grown as a houseplant. It does best with humid air, bright indirect light and consistently moist but well-drained conditions.

Family
Gesneriaceae (African violet family)
Light
Bright indirect
Water
Keep the potting mix evenly moist and never let it dry out completely; avoid soggy roots.
Soil
Fast-draining, humus-rich mix with grit or perlite, such as a peat-based African violet mix.
Temperature
18–26 °C; protect below 10 °C
How easy
Moderate
Native range
China (SW. Yunnan) to N. Indo-China
Climate
wet tropical

About

Petrocosmea kerrii is a species of flowering plant in the family Gesneriaceae, sometimes cultivated as a houseplant. In the past, it has been erroneously placed in the genus Damrongia. It was first described by William Grant Craib in 1918.

It is divided into two subspecies:

Other Petrocosmea plants

Petrocosmea forrestii · Petrocosmea iodioides · Petrocosmea rosettifolia

Text excerpted from the Wikipedia article Petrocosmea kerrii 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.

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