| 词条 | Zieria exsul |
| 释义 |
|image = |image_caption = |status = |status_system = |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Rosids |ordo = Sapindales |familia = Rutaceae |genus = Zieria |species = Z. exsul |binomial = Zieria exsul |binomial_authority = Duretto & P.I.Forst.[1] |}} Zieria exsul is a plant in the citrus family Rutaceae and is endemic in a small area of south-east Queensland. It is an open, straggly shrub with hairy branches, three-part leaves and white flowers in groups of up to twelve, the groups longer than the leaves and each flower with four petals and four stamens. DescriptionZieria exsul is an open, weak, straggly shrub which grows to a height of {{convert|60|cm|in|sigfig=1|abbr=on}} and has relatively smooth but hairy branches. The three-part leaves have a petiole {{convert|2-3|mm|in|sigfig=1|abbr=on}} long and a central leaflet which is egg-shaped, {{convert|10-16|mm|in|sigfig=1|abbr=on}} long, {{convert|2-5|mm|in|sigfig=1|abbr=on}} wide with the other two leaflets slightly smaller. The upper surface of the leaf is slightly hairy but the lower surface is densely hairy with woolly, star-shaped hairs.[1]The flowers are white and are arranged singly or in groups of up to twelve in leaf axils on a mostly glabrous stalk {{convert|10-19|mm|in|sigfig=1|abbr=on}} long, the groups longer than the leaves. The sepals are more or less triangular, about {{convert|1|mm|in|sigfig=1|abbr=on}} long and wide and the four petals are elliptic in shape, about {{convert|2|mm|in|sigfig=1|abbr=on}} long and {{convert|1.5|mm|in|sigfig=1|abbr=on}} wide. The four stamens are less than {{convert|1|mm|in|sigfig=1|abbr=on}} long. Flowering occurs mostly occurs between August and September and is followed by fruit which is a glabrous capsule, about {{convert|3|mm|in|sigfig=1|abbr=on}} long and {{convert|2|mm|in|sigfig=1|abbr=on}} wide. This species is similar to Zieria compacta except that it is a more straggly shrub and has glabrous flower stalks.[1] Taxonomy and namingZieria exsul was first formally described in 2007 by Marco Duretto and Paul Forster from a specimen collected in Caloundra and the description was published in Austrobaileya.[2] The specific epithet (exsul) is a Latin word meaning "a banished person"[3] referring to this species having been displaced from most of its probable former range.[1]Distribution and habitatThis zieria grows in woodland and wallum heathland near Buderim and Caloundra in the South East Queensland biogeographic region.[1] ConservationZieria exsul is listed as "endangered" under the Queensland Nature Conservation Act 1992.[4]References1. ^1 2 3 {{cite journal|last1=Duretto|first1=Marco F.|last2=Forster|first2=Paul I.|title=A taxonomic revision of the genus Zieria Sm. (Rutaceae) in Queensland|journal=Austrobaileya|date=2007|volume=7|issue=3|pages=502–504}} {{Taxonbar|from=Q18081491}}{{DEFAULTSORT:Zieria exsul}}2. ^1 {{cite web|title=Zieria exsul|url= https://id.biodiversity.org.au/instance/apni/618727|publisher=APNI|accessdate=11 March 2017}} 3. ^{{cite book|last1=Brown|first1=Roland Wilbur|title=The Composition of Scientific Words|date=1956|publisher=Smithsonian Institution Press|location=Washington, D.C.|page =842}} 4. ^{{cite web|title=Zieria exsul|url=https://wetlandinfo.ehp.qld.gov.au/wetlands/ecology/components/species/?zieria-exsul|publisher=Queensland Government, Department of Environment and Heritage Protection|accessdate=11 March 2017}} 4 : Zieria|Sapindales of Australia|Flora of Queensland|Plants described in 2007 |
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