aesculus
autumn
background
barb
bark
beauty
blue
branch
brown
caltrop
castor
chestnut
closeup
color
colour
conker
conkers
cusp
detail
fall
fruit
green
group
horse
husk
isolated
konkers
leaves
looking
macro
moss
natural
nature
nut
object
october
open
plant
prick
prickle
prong
quill
round
season
seasonal
seed
september
shiny
sky
spike
spikey
spine
thorn
timber
tree
trees
twig
twiglet
twigs
up
white
wood