r (i.e. calyx-tube ad

mens 6–12. Aris

ens 4. Ludwigia,

l placent?. Chrysospleni

olly naked (ther

; flowers capitate;

ibbed; aquatic her

perior, i.e. fre

the beaks, which fall off at maturity;

d, or 3–5-celled and cir

one-celled; pl

e throat or tube of th

the receptacle or th

5 sepals. Glaux,

hen of the same numbe

ne parietal placen

, separate, simpl