| Pisonia | |
|---|---|
 | |
| Pisonia brunoniana | |
Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Nyctaginaceae |
| Tribe: | Pisonieae |
| Genus: | Pisonia L.[1] |
| Type species | |
| Pisonia aculeata L.[2] | |
| Species | |
See text | |
Pisonia is a genus offlowering plants in thefour o'clock flower family,Nyctaginaceae. It was named forDutch physician and naturalistWillem Piso (1611–1678).[3] Certain species in this genus are known ascatchbirdtrees,birdcatcher trees orbirdlime trees because they catch birds.[4] The sticky seeds are postulated to be anadaptation of some island species that ensures thedispersal of seeds between islands by attaching them to birds, and also allows the enriching ofcoralline sands. (Should a fledgling fall to the ground, become entangled in thePisonia's sticky seeds, and be unable to free itself, then it will starve, and so enrich the soil within the tree's rootzone.[4]) These island species includeP. brunoniana ofAustralasia andPolynesia andP. umbellifera, which is widespread in the tropicalIndo-Pacific region.
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