| 词条 | Plumbago auriculata |
| 释义 |
|image = Plumbago auriculata 2718.jpg |image_caption = Plumbago auriculata |taxon = Plumbago auriculata |authority = Lam. |synonyms = |Plumbagidium auriculatum|(Lam.) Spach |Plumbago capensis|Thunb. |Plumbago capensis|Willd. |synonyms_ref = [1] }}Plumbago auriculata (common names blue plumbago, Cape plumbago or Cape leadwort), syn. P. capensis, is a species of flowering plant in the family Plumbaginaceae, native to South Africa.[2][3] It is an evergreen shrub, often grown as a climber, ascending rapidly to {{convert|6|m|ft|0|abbr=on}} tall by {{convert|3|m|ft|0|abbr=on}} wide in nature, though much smaller when cultivated as a houseplant.[4] It has light blue to blue flowers and also variations with white (P. auriculata var. alba) or deep blue (P. auriculata 'Royal cape') flowers. The leaves are a glossy green and grow to {{convert|5|cm|0|abbr=on}} long.[2][3] Plumbago grow best in full sun to part shade. The specific epithet auriculata means "with ears", referring to the shape of the leaves.[5] Medicinal uses and phytochemistryPlumbago auriculata is a medicinal herb plant. The name has a root from the Latin word plumbum, meaning lead, because it has some pharmaceutical effects for lead poisoning (Asha Saji, V. T. Antony,2015) . Also it is used as a phytoremediator for lead and cadmium. Many secondary metabolites have been discovered and isolated from Plumbago auriculata such as Plumbagin, palmitic acids.[6] CultivationIn temperate regions it may be grown outside in frost free areas, otherwise under glass. The species[7] and the white-flowered form P. auriculata f. alba[8] have both gained the Royal Horticultural Society's Award of Garden Merit.[9] Plumbago auriculata can be propagated sexually by seeds and asexually by cutting in summer. It needs well-aerated soil and light and prefers acidic soil. References1. ^{{cite web |title=Plumbago auriculata |work=The Plant List |url=http://www.theplantlist.org/tpl1.1/record/kew-2570524 |accessdate=2018-01-27}} {{Commons category}}{{Taxonbar|from=Q263162}}{{Caryophyllales-stub}}2. ^1 "Botanica. The Illustrated AZ of over 10000 garden plants and how to cultivate them", p 691. Könemann, 2004. {{ISBN|3-8331-1253-0}} 3. ^1 Nico Vermeulen:"The Complete Encyclopedia of Container Plants", p. 216. Rebo International, Netherlands, 1998. {{ISBN|90-366-1584-4}} 4. ^{{cite book|title=RHS A-Z encyclopedia of garden plants|year=2008|publisher=Dorling Kindersley|location=United Kingdom|isbn=978-1405332965|pages=1136}} 5. ^{{cite book|last=Harrison|first=Lorraine|title=RHS Latin for gardeners|year=2012|publisher=Mitchell Beazley|location=United Kingdom|isbn=9781845337315|pages=224}} 6. ^{{Cite journal|last=de Paiva|first=Selma Ribeiro|last2=Figueiredo|first2=Maria Raquel|last3=Kaplan|first3=Maria Auxiliadora Coelho|date=2005-07-01|title=Isolation of secondary metabolites from roots of Plumbago auriculata Lam. by countercurrent chromatography|journal=Phytochemical Analysis|language=en|volume=16|issue=4|pages=278–281|doi=10.1002/pca.841|issn=1099-1565}} 7. ^{{cite web|title=RHS Plant Selector - Plumbago auriculata|url=http://apps.rhs.org.uk/plantselector/plant?plantid=1498|accessdate=28 May 2013}} 8. ^{{cite web|title=RHS Plant Selector - Plumbago auriculata f. alba|url=http://apps.rhs.org.uk/plantselector/plant?plantid=3851|accessdate=28 May 2013}} 9. ^{{cite web | url = https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf | title = AGM Plants - Ornamental | date = July 2017 | page = 80 | publisher = Royal Horticultural Society | accessdate = 7 May 2018}} 3 : Plumbago|Carnivorous plants of Africa|Flora of South Africa |
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