They are flowering herbaceous plants, subshrubs, or small shrubs growing to 0.3–1 m (0.98–3.28 ft) tall. The leaves are spirally arranged, simple, 1–9 cm long, usually with a hairy margin. Some of the species are evergreen, others deciduous. The flowers are produced in a compact inflorescence, each flower with a five-lobed corolla; flower colour varies from pale to dark blue to red-purple. The fruit is a small bristly capsule containing a single seed.
- Ceratostigma abyssinicum (Hochst.) Schwein. & Asch.
- Ceratostigma griffithii C.B.Clarke
- Ceratostigma minus Stapf ex Prain
- Ceratostigma plumbaginoides (Bunge)
- Ceratostigma ulicinum Prain
- Ceratostigma willmottianum Stapf
Cultivation and uses
Plants of this genus are valued in the garden for their late summer flower colour and their autumn leaf colour. The following varieties have gained the Royal Horticultural Society's Award of Garden Merit (confirmed 2017):
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- Flora of China: Ceratostigma
- Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.
- Sunset Western Garden Book, 1995:606–607
- "Pronunciation Guide". Fine Gardening. Retrieved 2016-01-23.
- "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 17. Retrieved 24 January 2018.
- "RHS Plant Selector - Ceratostigma plumbaginoides". Retrieved 14 June 2013.
- Named to honour Ellen Willmott.
- "RHS Plant Selector - Ceratostigma willmottianum". Retrieved 14 June 2013.
- "RHS Plant Selector - Ceratostigma willmottianum 'Forest Blue'". Retrieved 14 June 2013.
- D. S. Vohra (1 June 2004). Bach Flower Remedies: A Comprehensive Study. B. Jain Publishers. p. 3. ISBN 978-81-7021-271-3. Retrieved 2 September 2013.
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