386
1266
Corolla-tube very
short. Leaves of the
main stem smaller
than those of the
branches
Polygonum
aviculare L. subsp.
aviculare
1267
Stem simple, with a
single terminal spike
Bistorta vivipara
(L.) Delarbre
1267
Stem branching, with a
spike on each branch
1268
1268
Leaf sheaths hairless,
entire or slightly
ciliate, loosely
surrounding the stem
Persicaria
lapathifolia (L.)
Delarbre subsp.
lapathifolia
1268
Leaf sheaths hairy,
ciliate or fringed on
the margin, tightly
surrounding the stem
Persicaria
maculosa (L.)
Gray
1269
Petals fused at least at
the base
1270
1269
Petals free
1331
1...,376,377,378,379,380,381,382,383,384,385 387,388,389,390,391,392,393,394,395,396,...444