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Encyclopedia > Poncirus
Trifoliate Orange
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Sapindales
Family: Rutaceae
Genus: Poncirus
Species: P. trifoliata
Binomial name
Poncirus trifoliata
(L.) Raf.

Trifoliate Orange (Poncirus trifoliata) is a member of the family Rutaceae, closely related to Citrus, and sometimes included in that genus, being sufficiently closely related to allow it to be used as a rootstock for Citrus. It differs from Citrus in having deciduous, compound leaves, and pubescent (downy) fruit. It is native to northern China and Korea, and is also known as the Chinese Bitter Orange. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae Land plants (embryophytes) Non-vascular embryophytes Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Seedless vascular plants Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Orders see text Dicotyledons or dicots are flowering plants whose seed contains two embryonic leaves or cotyledons. ... Families See text The Sapindales is an order of flowering plants included among the rosid subgroup of dicotyledons. ... Genera About 160 genera; selected important genera: Amyris - West Indian Sandalwood Choisya - Mexican orange Citrus - Citrus Dictamnus - Burning-bush Fortunella - Kumquat Melicope - Corkwood, Alani Murraya - Curry tree Phellodendron - Cork-trees Poncirus - Trifoliate orange Ptelea - Hoptree Ruta - Rue Skimmia - Skimmia Tetradium (Euodia) - Euodias Zanthoxylum - Toothache trees Rutaceae is a family of... In biology, binomial nomenclature is a standard convention used for naming species. ... A painting of Carolus Linnaeus Carl Linnaeus, also known after his ennoblement as Carl von Linné   listen?, and who wrote under the Latinized name Carolus Linnaeus (May 23, 1707 – January 10, 1778), was a Swedish botanist who laid the foundations for the modern scheme of taxonomy. ... C. S. Rafinesque Constantine Samuel Rafinesque-Schmaltz (October 22, 1783-September 18, 1840) was a nineteenth-century polymath who led a chaotic life. ... Genera About 160 genera; selected important genera: Amyris - West Indian Sandalwood Choisya - Mexican orange Citrus - Citrus Dictamnus - Burning-bush Fortunella - Kumquat Melicope - Corkwood, Alani Murraya - Curry tree Phellodendron - Cork-trees Poncirus - Trifoliate orange Ptelea - Hoptree Ruta - Rue Skimmia - Skimmia Tetradium (Euodia) - Euodias Zanthoxylum - Toothache trees Rutaceae is a family of... Species & major hybrids Species Citrus maxima - Pomelo Citrus medica - Citron Citrus reticulata - Mandarin & Tangerine Major hybrids Citrus x aurantifolia - Lime Citrus x aurantium - Bitter Orange Citrus x bergamia - Bergamot Citrus x hystrix - Kaffir Lime Citrus x ichangensis - Ichang Lemon Citrus x limon - Lemon Citrus x limonia - Rangpur Citrus x paradisi... In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... Korea (한국) is a formerly unified country, situated on the Korean Peninsula in northern East Asia, bordering on China to the west and Russia to the north. ...


The plant is fairly hardy (USDA zone 5) and will tolerate moderate frost and snow, making a large shrub or small tree 4-8 m tall. Because of the relative hardiness of Poncirus, citrus grafted onto it are usually hardier than when grown on their own roots. Plant Hardiness Zone Map USDA Plant Hardiness Zones are areas in North America categorized according to their lowest winter temperatures. ... A willow shrub A shrub or bush is a horticultural rather than strictly botanical category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 6 m tall. ... The coniferous Coast Redwood, the tallest tree species on earth A tree can be defined as a large, perennial, woody plant. ...


Poncirus is recognisable by the large 3-5 cm spines on the shoots, and its deciduous leaves with three (rarely five) leaflets, typically with the middle leaflet 3-5 cm long, and the two side leaflets 2-3 cm long. The flowers are white, with pink stamens, 3-5 cm diameter, larger than those of true citrus but otherwise closely resembling them, except that the scent is much less pronounced than with true citrus. As with true citrus, the leaves have a spicey smell when crushed.


The fruits are green, ripening to yellow, and 3-4 cm diameter, resembling a small orange, but with a finely downy surface. They are very bitter, not edible fresh, but can be made into marmalade, and when dried and powdered, they can be used as a condiment. Fruit stall in Barcelona, Spain. ... This article deals with the fruit; for alternative meanings, see orange (disambiguation), or for an article about the word itself, see orange (word) Oranges and orange juice Ambersweet oranges Sectioned navel orange. ... Marmalade is a sweet conserve made from fruit, sugar, and (usually) a gelling agent. ...


  Results from FactBites:
 
Poncirus Trifoliata (955 words)
The Poncirus is north-west of the tea-rooms in the garden, in a lawn close to the path as it heads south.
From the Chapel Hill entrance (near the Town Hall) the Poncirus is on the right hand side of the path opposite the Gentlemen's toilet (which is on the left side of the path)- not far in from the Gardens entrance.
The Poncirus is along the railings at the side of the road.
Poncirus (203 words)
Poncirus trifoliata, known on its common name as Japanese bitter orange, is a close relative of the orange tree and can withstand northern European winters, as it can survive at -20 Celsius degrees even its origins are in woodlands of China and Korea.
Poncirus is a deciduous shrub that produce alternate 3-palmate, dark green leaves.
Poncirus is often used as a rootstock for Citrus cultivars because of its vigorous growth and hardiness.
  More results at FactBites »

 
 

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