Craspedium

Craspedium

The term craspedio, in botany, means a dehiscent fruit.
The craspedium is a variant of the lentum and, like this, it disarticulates leaving the marginal covering attached to the pedicle.
The craspedium is therefore a dehiscent dry fruit which when ripe is incompletely disarticulated into several monosperm portions, consisting of segments that separate transversely from each other and longitudinally from the margins of the replo, leaving however the marginal coating attached to the peduncle.
Typical examples of craspedium are found in the fruits of the sensitive (Mimosa pudica L.), a plant of the Mimosaceae which owes its common name to its ability to respond to tactile stimuli or vibrations by closing the leaves on themselves (tigmonastia).