Alismataceae |
| 11 genera all aquatic. Annual or perennial. Juvenile
leaves not differentiated into petiole and blade, usually
linear and submerged; adult leaves occasionally linear
but usually with petiole and blade. Inflorescences
usually compound or rarely simple, of whorls of branches,
rarely umbel-like or with solitary flowers. Flowers
actinomorphic, bisexual or unisexual. Sepals 3, free.
Petals 3, free, caducous or rarely absent. Stamens 3, 6,
9 or more. Carpels superior, free or united at the base,
3 to numerous, in 1 whorl or spiral; fruit a head of
nutlets or in Damsonium dehiscent follicles. © Christopher D.K. Cook |
