List of Tribes, Subtribes, Subtribal Groups, and Genera of the Orange Subfamily, Aurantioideae.
Note: The Citrus Variety Collection does not have every species that is listed here (although we wish we did!). However, this list made by Walter T. Swingle demonstrates how Citrus is related to its wild relatives in the subfamily Aurantioideae.
Tribe I. Clauseneae: Very Remote and Remote Citroid Fruit Trees (3 subtribes, 5 genera, 79 species, 20 varieties)
Subtribe 1. Micromelinae: Very Remote Citroid Fruit Trees (1 genus, 9 species, 4 varieties)
I. Micromelum (9 sp.) (4 var.)
Micromelum diversifolium
Micromelum diversifolium var. cuneata
Micromelum ceylanicum
Micromelum compressum
Micromelum compressum var. inodorum
Micromelum falcatum
Micromelum hirsutum
Micromelum integrerrimum
Micromelum minutum
Micromelum minutum var. tomentosum
Micromelum minutum var. curranii
Micromelum pubescens
Micromelum scandens
Subtribe 2. Clauseninae: Remote Citroid Fruit Trees (3 genera, 69 species, 16 varieties)
II. Glycosmis (35 sp.)
Glycosmis angularis
Glycosmis bilocularis
Glycosmis bonii
Glycosmis boreana
Glycosmis cholorosperma
Glycosmis citrifolia (Chinese glycosmis)
Glycosmis clemensii
Glycosmis craibii
Glycosmis crassifolia
Glycosmis cyanocarpa
Glycosmis dinhensis
Glycosmis elata
Glycosmis erythrocarpa
Glycosmis esquirolii
Glycosmis greenii
Glycosmis lindleyana
Glycosmis longipes
Glycosmis macrantha
Glycosmis macrocarpa
Glycosmis macrophylla
Glycosmis malayana
Glycosmis mauritiana
Glycosmis montana
Glycosmis monticola
Glycosmis parkinisonii
Glycosmis pierrei
Glycosmis platyphylla
Glycosmis pseudoracemosa
Glycosmis puberula
Glycosmis oliveri
Glycosmis ovoidea
Glycosmis rupestris
Glycosmis sapindoides
Glycosmis singuliflora
Glycosmis tomentella
Glycosmis winitii
III. Clausena (23 sp.)(12 var.)
Clausena abyssinica
Clausena anisata var. mollis
Clausena anisata var. multijuga
Clausena anisum-olens
Clausena brevistyla
Clausena brevistyla var. halmaheirae
Clausena cambodiana
Clausena dentata var. dulcis (Indian wampee)
Clausena dentata var. dunniana
Clausena dentata var. henryi
Clausena dentata var. longipes
Clausena dentata var. pubescens
Clausena dentata var. robusta
Clausena excavata (CRC 3899)
Clausena excavata var. villosa
Clausena guillauminii
Clausena harmandiana
Clausena harmandiana var. contracta
Clausena heptaphylla
Clausena heptaphylla var. engleri
Clausena inaequalis
Clausena indica
Clausena lansium (wampee)(CRC 1460)
Clausena lansium (wampee)(CRC 3967)
Clausena laxiflora
Clausena lenis
Clausena luxurians
Clausena macrophylla
Clausena mollis
Clausena papuana
Clausena pentaphylla
Clausena suffruiticosa
Clausena todayensis
Clausena wallichii
IV. Murraya (11 sp.)(4 var.)
Murraya alata
Murraya alata var. hainanensis
Murraya alternans
Murraya crenulata
Murraya euchrestifolia
Murraya glabra
Bergera (Murraya) koenigii (curry leaf)
Murraya paniculata (hawaiian mock orange)
Murraya paniculata (orange jessamine)
Murraya paniculata var. omphalocarpa
Murraya paniculata var. ovatifoliata
Murraya paniculata var. zollingeri
Murraya siamensis
Murraya stenocarpa
Subtribe 3. Merrilliinae: Large-Fruited Remote Citroid Fruit Trees
V. Merrillia (1 genus, 1 species)
Tribe II. Citreae: Citrus and Citroid Fruit Tree (3 subtribes, 9 subtribal groups, 28 genera, 124 species, 18 varieties)
Subtribe 1. Triphasiinae: Minor Citroid Fruit Trees (3 subtribal groups, 8 genera, 46 species, 3 varieties)
VI. Wenzelia (9 sp.) (1 var.)
Wenzelia archboldiana
Wenzelia brevipes
Wenzelia brevipes var. alabatensis
Wenzelia dolichophylla
Wenzelia grandiflora
Wenzelia kambarae
Wenzelia melanesica
Wenzelia paludosa
Wenzelia platysperma
Wenzelia tenuifolia
II. Monanthocitrus
Monanthocitrus cornuta
VIII. Oxanthera (4 sp.)
Oxanthera aurantium (Orange flower oxanthera)
Oxanthera fragrans (Fragrant oxanthera)
Oxanthera neo-caledonica (false orange or large-leaf oxanthera)
Oxanthera undulata (Wavy-leaf oxanthera)
IX. Merope
Merope angulata
X. Triphasia (3 sp.)
Triphasia brassii
Triphasia grandifolia (Unifoliate Limeberry)
XI. Pamburus
XII. Luvunga (12 sp.)
Luvunga angustifolia
Luvunga borneensis
Luvunga calophylla
Luvunga crassifolia
Luvunga eleutherandra
Luvunga motleyi
Luvunga nitida
Luvunga papuana
Luvunga philippinensis
Luvunga sarmentosa
Luvunga scandens (Indian liana lime)
Luvunga tavoyana
XIII. Paramignya (15 sp.)(2 var.)
Paramignya andamanica
Paramignya armata
Paramignya beddomei
Paramignya citrifolia
Paramignya confertifolia
Paramignya cuspidata
Paramignya grandiflora
Paramignya lobata
Paramignya longipendunculata (Luzon paramignya)
Paramignya mindanaensis
Paramignya monophylla (Indian paramignya)
Paramignya rectispinosa
Paramignya scandens
Paramignya scandens var. hispida
Paramignya scandens var. ridleyi
Paramignya surasiana
Paramignya trimera
Subtribe 2. Citrinae: Citrus Fruit Trees (3 subtribal groups, 13 genera, 65 species, 15 varieties)
XIV. Severinia (6 sp.)
Severinia buxifolia (Chinese box orange)
Severinia disticha (Phillippine box orange)
Severinia lauterbachii (triangle fruit severinia)
Severinia linearis (narrow leaf box orange)
Severinia paniculata (bouquet box orange)
Severinia retusa
XV. Pleiospermium (5 sp.)
Pleiospermium alatum (Ceylon orangeaster)
Pleiospermium dubium (Java orangeaster)
Pleiospermium latialatum (North Borneo orangeaster)
Pleiospermium longisepalum (Banguey Island orangeaster)
Pleiospermium sumatranum (Sumatra orangeaster)
XVI. Burkillanthus
Burkillanthus malaccensis (Malay ghostlime)
XVII. Limnocitrus
Limnocitrus littoralis (swamp orange)
XVIII. Hesperethusa
XIX. Citropsis (11 sp.)(1 var.)
Citropsis angolensis (Angola cherry orange)
Citropsis articulata (West African cherry orange)
Citropsis daweana (Mozambique cherry orange)
Citropsis gabunensis (Gabon cherry orange)
Citropsis gabunensis var. lacourtiana (Sankuru cherry orange)
Citropsis gilletiana (Gillet's cherry orange)
Citropsis latialata (Ikongu cherry orange)
Citropsis le-testui (Le Testu's cherry orange)
Citropsis mirabilis (Ivory Coast cherry orange)
Citropsis schweinfurthii (Uganda cherry orange)
Citropsis tanakae (Sierra Leone cherry orange)
Citropsis zenkeri (Zenker's cherry orange)
XX. Atalantia (11 sp.)(3 var.)
Atalantia ceylanica (Ceylon atalantia)
Atalantia citroides (Cochin China atalantia)
Atalantia guillaumini (Tonkin atalantia)
Atalantia hainanensis (Hainan atalantia)
Atalantia macrophylla (Giant Andaman atalantia)
Atalantia monophylla (Indian atalantia)
Atalantia racemosa (Bombay atalantia)
Atalantia racemosa var. henryi (Henry's atalantia)
Atalantia rotundifolia (Dwarf Ceylon atalantia)
Atalantia roxburghiana (Malayan atalantia)
Atalantia roxburghiana var. kerrii (Kerr's atalantia)
Atalantia roxburghiana var. kwangtungensis (Kwangtung atalantia)
Atalantia simplicifolia (Khasi Hills atalantia)
Atalantia wightii (Nilgiri atalantia)
XXI. Fortunella (4 sp.)(1 var.) (1 new var.)
Fortunella hindsii (Hong kong kumquat)
Fortunella hindsii var. chintou (golden bean kumquat)
Fortunella hindsii var. prostratus (prostrate kumquat)
Fortunella japonica (round kumquat)
XXII. Eremocitrus
Eremocitrus glauca (Australian desert lime)
XXIII. Poncirus (1 var.)
Poncirus trifoliata (trifoliate orange)
Poncirus trifoliata var. monstrosa (Flying dragon trifoliate orange)
XXIV. Clymenia
Clymenia polyandra X Procimequat
XXV. Microcitrus (6 sp.)(1 var.)
Microcitrus australasica (Australian finger lime)
Microcitrus australasica var. sanguinea (red pulp finger lime)
Microcitrus australis (Australian round lime)
Microcitrus garrowayi (Garroway's Australian wild lime)
Microcitrus inodora (large leaf Australian wild lime)
Microcitrus maideniana (Maiden's Australian wild lime)
XXVI. Citrus (16 sp.)(8 var.)
Citrus aurantium (sour orange)
Citrus aurantium var. myrtifolia (myrtle leaf orange)
Citrus celebrica (Celebes papeda)
Citrus celebrica var. sourthwickii
Citrus ichangenesis (Ichang papeda)
Citrus indica (Indian wild orange)
Citrus macroptera (Melanesian papeda)
Citrus macroptera var. annamensis (Annam papeda)
Citrus macroptera var. kerrii (Kerr's Thailand papeda)
Citrus media var. ethrog (ethrog citron)
Citrus media var. sarcodactylis (fingered citron)
Citrus micrantha (Small flowered papeda)
Citrus micrantha var. microcarpa (small flowered papeda)
Citrus reticulata (mandarin orange)
Citrus reticulata var. austera (sour mandarin)
Citrus sinensis (sweet orange)
Citrus tachibana (Tachibana orange)
Subtribe 3. Balsamocitrinae: Hard-Shelled Citroid Fruit Trees (3 subtribal groups, 7 genera, 13 species)
XXVII. Swinglea
XXVIII. Aegle
XXIX. Afraegle
Afraegle asso
Afraegle gabonensis (Gabon powder flask)
Afraegle milbraedii
XXX. Aeglopsis (2 sp.)
Aeglopsis chevalieri (Dwarf powder flask)
Aeglopsis eggelingii (Eggeling's aeglopsis)
XXXI. Balsamocitrus
XXXII. Feronia
XXXIII. Feroniella (3 sp.)
Feroniella lucida (Java feroniella)
Feroniella oblata (Indochina feroniella)
Feroniella pubescens (Velvety feroniella)