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Ceratostigma

{{Short description|Genus of flowering plants}}

{{More footnotes|date=September 2022}}

{{Automatic taxobox

|image = Ceratostigma plumbaginoides0.jpg

|image_caption = Ceratostigma plumbaginoides

|taxon = Ceratostigma

|authority = Bunge (1835)

|subdivision_ranks = Species

|subdivision = See text

|synonyms = Valoradia Hochst. (1841)

|synonyms_ref = [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:32137-1 Ceratostigma Bunge]. Plants of the World Online. Retrieved 1 April 2024.

}}

Ceratostigma ({{IPAc-en|ˌ|s|ɛr|ə|t|oʊ-|ˈ|s|t|ɪ|ɡ|m|ə|,_|s|ᵻ|ˌ|r|æ|t|-}};Sunset Western Garden Book, 1995:606–607{{refn|{{cite web |url=http://www.finegardening.com/pronunciation-guide/c?page=3 |title=Pronunciation Guide |website=Fine Gardening |accessdate=2016-01-23 }}}}), 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 {{convert|0.3|-|1|m|ft|abbr=on}} 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.{{cn|date=September 2022}}

Species

Seven species are accepted.

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):{{cite web

| url= https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf

| title = AGM Plants - Ornamental

| date = July 2017

| page = 17

| publisher = Royal Horticultural Society | accessdate = 24 January 2018}}

  • C. plumbaginoides{{cite web|title=RHS Plant Selector - Ceratostigma plumbaginoides|url= https://www.rhs.org.uk/Plants/3410/Ceratostigma-plumbaginoides/Details | accessdate = 5 July 2020}}
  • C. willmottianum{{efn|Named to honour Ellen Willmott.}}{{cite web|title=RHS Plant Selector - Ceratostigma willmottianum|url= https://www.rhs.org.uk/Plants/3411/Ceratostigma-willmottianum/Details | accessdate = 5 July 2020}}
  • C. willmottianum {{tdes|Forest Blue}}='Lice'{{cite web|title=RHS Plant Selector - Ceratostigma willmottianum 'Forest Blue'|url= https://www.rhs.org.uk/Plants/104459/Ceratostigma-willmottianum-Forest-Blue-Lice-(PBR)/Details | accessdate = 5 July 2020}}

Notes

{{Notelist}}

References

{{Reflist}}

= Sources =

{{Refbegin}}

  • [http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=106206 Flora of China: Ceratostigma]
  • Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.

{{Refend}}

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Category:Plumbaginaceae genera

Category:Taxa named by Alexander von Bunge

{{Caryophyllales-stub}}