Ceratostigma
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Ceratostigma (Template:IPAc-en;[1]Template:Refn), or leadwort, plumbago, is a genus of eight species of flowering plants in the family Plumbaginaceae, native to warm temperate to tropical regions of Africa and Asia. Common names are shared with the genus Plumbago.
Description
Ceratostigma species are flowering herbaceous plants, subshrubs, or small shrubs growing to Script error: No such module "convert". 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.Script error: No such module "Unsubst".
Species
Seven species are accepted.[2]
- Ceratostigma abyssinicum (Hochst.) Schwein. & Asch.
- Ceratostigma asperrimum Stapf ex PrainScript error: No such module "Check for unknown parameters".
- 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):[3]
- C. plumbaginoides[4]
- C. willmottianumTemplate:Efn[5]
- C. willmottianum Template:Tdes='Lice'[6]
Notes
References
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- ↑ Sunset Western Garden Book, 1995:606–607
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Sources
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- Flora of China: Ceratostigma
- Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.