| 词条 | Sophora microphylla |
| 释义 |
|image = Sophora-microphylla-flowers.jpg |image_caption = flowers |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Fabales |familia = Fabaceae |subfamilia = Faboideae |tribus = Sophoreae |genus = Sophora |species = S. microphylla |binomial = Sophora microphylla |binomial_authority = Aiton }}Sophora microphylla (common name kōwhai) is a species of flowering plant in the family Fabaceae, native to New Zealand. Growing to {{convert|8|m|ft|0|abbr=on}} tall and broad, it is an evergreen shrub or small tree. Each leaf is {{convert|10|cm|0|abbr=on}} long with up to 40 pairs of shiny oval leaflets. In early spring it produces many racemes of pea-like yellow flowers.[1] Other common names include weeping kōwhai and small-leaved kōwhai. It is also referred to as South Island Kowhai although this name is misleading since it is widely distributed all over New Zealand including the North Island, though less common in Northland. The specific epithet microphylla means "small-leaved".[2] S. microphylla has smaller leaves (around 3–6 mm long by 2–5 mm wide) and flowers (1.8-5.0 cm long),[3] than the other well known species large-leaved kōwhai. When young S. microphylla has a divaricating and bushy growth habit with many interlacing branches, which begins to disappear as the tree ages.[4] The cultivar {{smallcaps|Sun King}} 'Hilsop' has gained the Royal Horticultural Society's Award of Garden Merit.[5][6] Its nectar is toxic to the honeybee.[7] See also
References1. ^{{cite book|title=RHS A-Z encyclopedia of garden plants|year=2008|publisher=Dorling Kindersley|location=United Kingdom|isbn=978-1405332965|pages=1136}} 2. ^{{cite book|last=Harrison|first=Lorraine|title=RHS Latin for gardeners|year=2012|publisher=Mitchell Beazley|location=United Kingdom|isbn=9781845337315|pages=224}} 3. ^{{cite web|url=http://www.nzpcn.org.nz/flora_details.asp?ID=1302|publisher=New Zealand Plant Conservation Network|title=S. microphylla description|accessdate=10 May 2012}} 4. ^{{cite web|title=Facts about kōwhai|url=http://www.doc.govt.nz/conservation/native-plants/kowhai/facts/|publisher=Department of Conservation|accessdate=10 May 2012}} 5. ^{{cite web|title=RHS Plant Selector - Sophora microphylla|url=http://apps.rhs.org.uk/plantselector/plant?plantid=4150|accessdate=4 July 2013}} 6. ^{{cite web | url = https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-ornamentals.pdf | title = AGM Plants - Ornamental | date = July 2017 | page = 98 | publisher = Royal Horticultural Society | accessdate = 12 November 2018}} 7. ^{{cite journal |last1=Manson |first1=Jessamyn |last2=Rasmann |first2=Sergio |date=2012 |title=Cardenolides in nectar may be more than a consequence of allocation to other plant parts: a phylogenetic study of Asclepias |journal=Functional Ecology |volume=26 |issue=5 |pages=1100–1110 |doi=10.1111/j.1365-2435.2012.02039.x }} 4 : Sophora|Trees of New Zealand|Poisonous plants|Divaricating plants |
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