Species within a genus

Genus: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

POLYGONUM (G)
Knotgrass (Le)
Family: POLYGONACEAE

polys, polle, poly, = (of number), many; (of size), heavy; (of value), much;
gony, = the knee.
(knee, node (of grass), angled, angular)
(many-jointed stem)
(LS, BL, Le)

Polygonum arenastrum (La)

Location: (P)

harena, arena, = sand, sands, a sandy place, a sandy desert;
-astrum, = indicates inferiority or incomplete resemblance, hence often applied to the wild equivalent of a cultivated plant.
(Alien and naturalised)
(ld, BL, Cw)

Polygonum aviculare (La)
Bird Knotgrass, Knopgras, Voëlduisendknoop (PS)
Location: (K)

avis, = a bird;
-ulus, = diminutive;
-alis, -aris, = belonging or pertaining to, resembling, provided with.
(avicula, =of or pertaining to small birds)
(ld, BL, Ox)

Polygonum maritimum (La)

Location: (F)

mare, = sea-water, salt-water;
maritimus, = of or belonging to the sea, sea-, maritime.
(growing by the sea)
(Alien)
(ld, BL)

Polygonum undulatum (La)

Location: (P)

undo, = to rise in waves or surges, to throw up waves, to surge, swell; to wave, undulate;
-ulus, = diminutive;
-atus, = indicates possession or likeness.
undulatus, = diversified as with waves, undulated.
(undulated)
(ld, BL)