This list of botanical epithets (the species name) might be of interest.
acaulis = without a stem
aculeatus = prickly
alatus = winged
altissimus = tallest
amarus = bitter
angustifolius = narrow-leaved
apianus = pertaining to bees
argenteus = silvery
arvensis = of fields/meadows
atropurpureus = dark purple
aurantiacus = orange-coloured
australis = southern
barba-jovis = Jupiter's beard
blepharophyllus = with leaves fringed like eyelids
campestris = of the fields
candidus = pure white, bright
caudatus = having a tail
coronarius = for wreaths, garlands, crowns
crassifolius = thick-leaved
edulis = edible
esculentus = edible
fistulosus = hollow
flavus = yellow
formosus = beautiful
fruticosus = shrubby
fuscus = dark, black
graveolens = strong-smelling
hirtus = hairy, shaggy, rough
lanatus = woolly
laevigatus = smooth
latifolius = broad-leaved
luteus = yellow
maculatus = spotted, stained
majalis = pertaining to May
melliferous = honey-bearing
mitis = mild
mollis = soft
mutabilis = changeable
non-scriptus = unmarked
nummularius = coin-shaped
nutans = nodding
officinalis = with a medicinal or herbal use
oleraceus = resembling herbs
palustris = marsh-loving
papyriferus = paper-bearing
patulus = spreading
pavoninus = peacock-like
peregrinus = exotic
petraeus = of rocks
pilosus = hairy, shaggy
praecox = precocious, early
pratensis = of meadows
pravissimus = mis-shapen
pudicus = bashful
pulchellus = pretty
pulcherrimus = most beatiful
punctatus = spotted
radicans = having rooting stems
racemosus = clustering
ramosus = branched
repandus = turned up or back
repens = creeping
ruber = red
rugosus = wrinkled
rupestris = of cliffs, rocks
sativus = cultivated, sown
saxatilis = living amongst rocks
scandens = climbing
sempervirens = evergreen
serotinus = late
siliqua = pod
stans = erect
styracifluus = flowing with fragrant gum
sylvaticus = of the woods
sylvestris = living in woods
tinctorius = used in dyeing
tomentosus = having a mass of rough hairs
unguis-cati = cat's claw
unguicularis = pertaining to a claw
urens = stinging
venustus = charming
verus = true
vulgaris = common