Rhododendron L. (Ericaceae)

bolehabitsmall trees or shrubs
bolebuttressesabsent
bolespinesabsent
bolebark_outer_colorgray or brown
bolebark_peelingnot peeling
boleexudateabsent
twigterminal_buds_enclosed_by_leavesno
twigclumped_hairsabsent
twigcomplex_hairsabsent or leaf or twig
twigcomplex_hair_typepeltate or stellate
twigstinging_hairsabsent
twigmature_twig_indumentumabsent
twigtwig_cross_sectionterete or angled
twigleaf_locationspaced down twig or clustered at twig end or pseudowhorled
twigleaf_insertionalternate or whorled
twigleaf_planespiral
twigleaves_per_whorl3-6
stipulestipulesabsent
leafleaf_scalelike_or_needlelikenone
leafleaf_complexitysimple
leafpetiole_lengthabsent or less than a quarter
leafpetiole_wingednot winged
leafpetiole_attachmentbase of leaf
leafpetiole_base_swellingnot swollen
leafpetiole_apex_swellingnot swollen
leafpetiole_cross_sectionterete or grooved
leafpetiole_wrinklingsmooth or longitundinal or transverse
leafleaf_similarityhomophyllus
leafleaf_texturecoriaceous
leafleaf_basesymmetrical
leafleaf_dissectionnot dissected
leafleaf_marginsentire
leafmargin_planeflat or revolute
leafleaf_base_shapecordate or rounded or tapered
leafleaf_apex_shaperounded or acute or acuminate
leafupper_leaf_surfacematte or glaucous or shining
leaflower_leaf_surfacematte
leafprimary_venationpinnate
leafprimary_vein_aboveroundly raised or sunken
leafsecondary_vein_spacingopen
leafsecondaries_aboveraised or sunken
leafsecondary_vein_coursemostly parallel
leafsecondary_vein_anglemedium
leafsecondary_vein_terminationintramarginal or brochidodromous or eucamptodromous
leafsecondary_vein_branchingnot branched or branched
leafintersecondary_veinsall less than half or few more than half
leaftertiary_veins_aboveraised or sunken or not visible
leaftertiary_vein_formweakly percurrent or reticulate
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
inflorinflorescencesolitary or multiple
inflorinflorescence_positionterminal or axillary
inflorinflorescence_axisunbranched or branched
inflorspecialized_inflorescence_unitspresent
inflortype_of_inflorescence_unitumbels
flowernumerous_persistant_floral_bractsabsent
flowerfloral_sexualitybisexual
flowerpedunclepresent
flowerflower_sizeto about 0.5 cm or to about 3 cm or to about to about 0.5 cmmicroscopic cm
flowerfloral_symmetryactinomorphic or zygomorphic
flowerfloral_columnabsent
flowerhypanthiumabsent
flowerdiskpresent
flowerdisk_positionstamens outside (intrastaminal)
flowerperianthpresent
flowerperianth_typeK+C
flowersepal_number5(-7)
flowersepal_freedompartially joined
flowersepal_persistencepersistent in fruit
flowersepal_accrescencenot accrescent
flowerepicalyxabsent
flowerpetal_presencepresent
flowerpetal_number5(-7)
flowerpetal_fusionall joined from base
flowerpetal_texturenot fleshy
flowerpetal_persistencedeciduous
flowerpetal_stalkssessile
flowerpetal_marginentire
malestamen_number5-10(-14)
malestamen_filamentspresent
malestamen_fasciclingall free
malestamen_adnationfree
malestamen_sizeequal sizes
malestamen_meryisomerous or diplostemonous
maleanther_locule_number2
maleanther_fixationdorsifixed
maleanther_adornmentnot awned
maleanther_dehiscencepores
femaleovary_positionsuperior
femalecarpel_arrangementsyncarpous
femalecarpel_number5(-7)
femalelocule_number5(-7)
femalestyle_presencesolitary including joined
femalestigma_lobes2
femalestigma_shapedistinctive
femalestigma_formcapitate
fruitcommon_fruit_typecapsule
fruitfruit_fleshinessnot fleshy
fruitfruit_aggregationnot multiple or aggregate
fruitfruit_dehiscencedehiscent
fruitfruit_accessory_tissueno fleshy perianth parts
fruitfruit_wingsabsent
seedseed_number_and_multiple100
seedseed_sizebarely visible
seedseed_wingsabsent
seedseed_ruminationsseed uniform
seedseed_arilabsent
seedseed_endospermpresent
infofield_charactersepiphytes to small trees; leaves in pseudowhorls; peltate scales on leaves undersurface (use a lens); flowers in umbel-like inflorescences; calyx; although persistent in fruit; inconspicuous; anthers dehisce through pores; pollen sticky