Quercus L. (Fagaceae)

bolehabitlarge trees 30+ m or small trees
bolebuttressesabsent or present
bolebuttress_and_root_typestilt
bolebuttress_sizeshort or tall
bolebole_formhooped or fluted
bolespinesabsent
bolebark_outer_colorgreen or gray or brown
bolebark_peelingnot peeling
boleslash_colorcream or orange or red or gray or brown
boleslash_laminationpresent
boleslash_odorabsent
boleexudateabsent
twigterminal_buds_enclosed_by_leavesno
twigclumped_hairsabsent or present
twigcomplex_hairsabsent or leaf or twig
twigcomplex_hair_typepeltate or stellate
twigstinging_hairsabsent
twigmature_twig_indumentumabsent or present
twigtwig_indumentum_densitysparse
twigtwig_cross_sectionangled
twigleaf_locationclustered at twig end or pseudowhorled
twigleaf_insertionalternate
twigleaf_planespiral
stipulestipulespresent
stipulestipule_freedomfree
stipulestipule_typelateral
stipulestipule_on_twignot encirlcing twig
stipulestipule_formdeltoid
stipulestipule_fringeabsent
stipulestipule_sizeminute or conspicuous
stipulestipule_persistencedeciduous
leafleaf_scalelike_or_needlelikenone
leafleaf_complexitysimple
leafpetiole_lengthless than a quarter or quarter to half
leafpetiole_wingednot winged
leafpetiole_attachmentbase of leaf
leafpetiole_base_swellingswollen at base
leafpetiole_apex_swellingnot swollen
leafpetiole_cross_sectionterete or flattened or grooved
leafpetiole_wrinklingsmooth or longitundinal
leafleaf_similarityhomophyllus
leafleaf_texturecoriaceous or chartaceous
leafleaf_baseasymmetrical or symmetrical
leafleaf_dissectionnot dissected or dissected
leafdissection_typepinnately lobed
leafleaf_marginsentire or crenate or toothed
leafmargin_planeflat or crisped or revolute
leafleaf_base_shapecordate or rounded or tapered
leafleaf_apex_shaperounded or acute or acuminate
leafupper_leaf_surfacematte or shining
leaflower_leaf_surfacematte or glaucous
leafprimary_venationpinnate
leafprimary_vein_aboveroundly raised or flat or sunken
leafsecondary_vein_spacingopen
leafsecondaries_aboveraised or flat or sunken
leafsecondary_vein_coursemostly parallel
leafsecondary_vein_anglemedium
leafsecondary_vein_terminationintramarginal or brochidodromous or eucamptodromous or craspedodromous
leafsecondary_vein_branchingnot branched
leafintersecondary_veinsabsent
leaftertiary_veins_aboveraised or flat
leaftertiary_vein_formdistinctly percurrent
leafdirection_of_percurrenceperpendicular to midrib or parallel to midrib
leaframified_branchingabsent
leafdomatiaabsent
leafleaf_glandsabsent
leafmarginal_and_petiolar_glandsabsent or laminar margin
leafhairs_on_mature_leafabsent or present
leafhair_densitysparse or dense
inflorinflorescencemultiple
inflorinflorescence_positionterminal or axillary
inflorinflorescence_axisunbranched
inflorspecialized_inflorescence_unitsabsent
flowernumerous_persistant_floral_bractspresent
flowerfloral_sexualityat least some unisexual
flowerfloral_oecymonoecious
flowerpeduncleabsent
flowerflower_sizemicroscopic or to about 0.5 cm
flowerfloral_symmetryactinomorphic
flowerfloral_columnabsent
flowerhypanthiumabsent
flowerdiskabsent
flowerperianthpresent
flowerperianth_typeK+C or vestigial
flowersepal_number6
flowersepal_freedompartially joined
flowersepal_persistencecaducous
flowersepal_accrescencenot accrescent
flowerepicalyxabsent
flowerpetal_presenceabsent
malestamen_number6
malestamen_filamentspresent
malestamen_fasciclingall free
malestamen_adnationfree
malestamen_sizeequal sizes
malestamen_meryisomerous
maleisomerous_stamen_positionoppositisepalous
maleanther_locule_number2
maleanther_fixationbasifixed
maleanther_adornmentnot awned
maleanther_dehiscencelong slits
femaleovary_positioninferior
femalecarpel_arrangementsyncarpous
femalecarpel_number3-6
femalelocule_number3-6
femalestyle_presencefree and multiple
femalestyle_number3-6
femalestigma_lobes1
femalestigma_shapedistinctive
femalestigma_formcapitate
fruitcommon_fruit_typenut
fruitfruit_fleshinessnot fleshy
fruitfruit_aggregationnot multiple or aggregate
fruitfruit_dehiscenceindehiscent
fruitfruit_accessory_tissueno fleshy perianth parts
fruitfruit_wingsabsent
seedseed_number_and_multiple1
seedseed_sizeless than 5 mm or to about 1 cm or to about less than 5 mmbarely visible cm
seedseed_wingsabsent
seedseed_ruminationsseed uniform
seedseed_arilabsent
seedseed_endospermabsent
infofield_charactersleaves generally toothed above; petiole swollen at base; inflorescences lax