Citrus L. (Rutaceae)

bolehabitlarge trees 30+ m or small trees
bolebuttressesabsent
bolespinesabsent or present
bolespine_locationtrunk or branch modified leaf
bolebark_outer_coloryellow or green or gray or brown
bolebark_peelingnot peeling
boleslash_colorwhite or yellow
boleslash_laminationabsent
boleslash_odorabsent or aromatic
boleexudateabsent
twigterminal_buds_enclosed_by_leavesno
twigclumped_hairsabsent
twigcomplex_hairsabsent
twigstinging_hairsabsent
twigmature_twig_indumentumabsent
twigtwig_cross_sectionterete or flattened or angled
twigleaf_locationspaced down twig
twigleaf_insertionalternate
twigleaf_planeone plane or spiral
stipulestipulesabsent
leafleaf_scalelike_or_needlelikenone
leafleaf_complexitysimple
leafpetiole_lengthless than a quarter or quarter to half or more than half
leafpetiole_wingednot winged or winged
leafpetiole_attachmentbase of leaf
leafpetiole_base_swellingnot swollen or swollen at base
leafpetiole_apex_swellingnot swollen
leafpetiole_cross_sectionterete or grooved
leafpetiole_wrinklingsmooth
leafleaf_similarityhomophyllus
leafleaf_texturecoriaceous
leafleaf_basesymmetrical
leafleaf_dissectionnot dissected
leafleaf_marginsentire or crenate or toothed
leafmargin_planeflat
leafleaf_base_shaperounded or tapered
leafleaf_apex_shapeacute or acuminate
leafupper_leaf_surfacematte or shining
leaflower_leaf_surfacematte or glaucous
leafprimary_venationpinnate
leafprimary_vein_aboveroundly raised
leafsecondary_vein_spacingopen
leafsecondaries_aboveraised or flat
leafsecondary_vein_coursemostly parallel
leafsecondary_vein_anglemedium
leafsecondary_vein_terminationintramarginal or brochidodromous
leafsecondary_vein_branchingnot branched
leafintersecondary_veinsall less than half or few more than half
leaftertiary_veins_aboveraised or flat or not visible
leaftertiary_vein_formdistinctly percurrent or weakly percurrent or reticulate
leafdirection_of_percurrenceperpendicular to midrib or parallel to midrib
leaframified_branchingabsent or admedial
leafdomatiaabsent
leafleaf_glandspellucid dots
leafmarginal_and_petiolar_glandsabsent
leafhairs_on_mature_leafabsent or present
leafhair_densitysparse
inflorinflorescencesolitary or multiple
inflorinflorescence_positionaxillary
inflorinflorescence_axissingle point or unbranched or branched
inflorspecialized_inflorescence_unitsabsent or present
inflortype_of_inflorescence_unitcorymbs
flowernumerous_persistant_floral_bractsabsent
flowerfloral_sexualitybisexual or at least some unisexual
flowerfloral_oecymonoecious
flowerpedunclepresent
flowerflower_sizeto about 0.5 cm
flowerfloral_symmetryactinomorphic
flowerfloral_columnabsent
flowerhypanthiumabsent
flowerdiskpresent
flowerdisk_positionstamens outside (intrastaminal)
flowerperianthpresent
flowerperianth_typeK+C
flowersepal_number4-5
flowersepal_freedomfree or partially joined
flowersepal_persistencepersistent in fruit
flowersepal_accrescencenot accrescent
flowerepicalyxabsent
flowerpetal_presencepresent
flowerpetal_number(4-)5(-8)
flowerpetal_fusionfree at base
flowerpetal_texturenot fleshy or fleshy
flowerpetal_persistencedeciduous
flowerpetal_stalkssessile
flowerpetal_marginentire
malestamen_number100
malestamen_filamentspresent
malestamen_fasciclingall free or fascicled
malestamen_adnationfree
malestamen_sizeequal sizes
malestamen_merypolystemonous
maleanther_locule_number2
maleanther_fixationdorsifixed
maleanther_adornmentnot awned
maleanther_dehiscencelong slits
femaleovary_positioninferior
femalecarpel_arrangementsyncarpous
femalecarpel_number(6-)8(-18)
femalelocule_number(6-)8(-18)
femalestyle_presencesolitary including joined
femalestigma_lobes1
femalestigma_shapedistinctive
femalestigma_formcapitate
fruitcommon_fruit_typeberry
fruitfruit_fleshinessfleshy
fruitfruit_aggregationnot multiple or aggregate
fruitfruit_dehiscenceindehiscent
fruitfruit_accessory_tissueno fleshy perianth parts
fruitfruit_wingsabsent
seedseed_number_and_multiple10-100
seedseed_sizeless than 5 mm
seedseed_wingsabsent
seedseed_ruminationsseed uniform
seedseed_arilabsent
seedseed_endospermpresent
infofield_charactersspines; when present; single; twigs angled when young; round when older; petioles usually winged