Home
Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
About
About
Key formats
Project partners
Contact
Resources
Glossary
Glossary
Images
Advanced search
Keys
Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
Genera
Families
Polygonaceae
Stipules ocreous, i.e. sheathing the stem
Polygonaceae
consider the other alternative
Perianth
segments 5, ± equal
consider the other alternative
Flowers mostly
bisexual
.
Calyx
enlarged but not otherwise changed at fruiting stage
choose this alternative
reject this alternative
Nut
much exceeding the
perianth
Fagopyrum
choose this alternative
reject this alternative
Nut
enclosed by
perianth