Pisonia

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Pisonia is a genus of flowering plants in the four o'clock flower family, Nyctaginaceae. It was named for Dutch physician and naturalist Willem Piso (1611–1678).[1] Certain species in this genus are known as catchbirdtrees, birdcatcher trees or birdlime trees because they catch birds.[2] The sticky seeds are postulated to be an adaptation of some island species that ensures the dispersal of seeds between islands by attaching them to birds, and also allows the enriching of coralline sands. (Should a fledgling fall to the ground, become entangled in the Pisonia's sticky seeds, and be unable to free itself, then it will starve, and so enrich the soil within the tree's rootzone.[2]) These island species include P. brunoniana of Australasia and Polynesia and P. umbellifera, which is widespread in the tropical Indo-Pacific region.

Species

27 species are accepted.[3]

Formerly placed here

  • Ceodes brunoniana (Endl.) Skottsb. (as P. brunoniana Endl.Script error: No such module "Check for unknown parameters".) – Australasian catchbirdtree (Australasia and Polynesia)
  • Ceodes gracilescens (Heimerl) E.F.S.Rossetto & CaraballoScript error: No such module "Check for unknown parameters". (as P. gracilescens (Heimerl) StenmerikScript error: No such module "Check for unknown parameters".) – (Society Islands)
  • Ceodes sechellarum (F.Friedmann) E.F.S.Rossetto & Caraballo (as P. sechellarum F.FriedmannScript error: No such module "Check for unknown parameters".) – (Seychelles and Mayotte)
  • Ceodes taitensis (Heimerl) E.F.S.Rossetto & Caraballo (as P. taitensis (Heimerl) F.Friedmann ex J.FlorenceScript error: No such module "Check for unknown parameters". and P. siphonocarpa (Heimerl) StemmScript error: No such module "Check for unknown parameters".) – (French Polynesia)
  • Ceodes umbellifera J.R.Forst. & G.Forst.Script error: No such module "Check for unknown parameters". (as P. umbellifera (J.R.Forst. & G.Forst.) Seem.Script error: No such module "Check for unknown parameters".) – umbrella catchbirdtree (Indo-Pacific)
  • Ceodes wagneriana (Fosberg) E.F.S.Rossetto & Caraballo (as P. wagneriana FosbergScript error: No such module "Check for unknown parameters".) – Kauaʻi catchbirdtree, pāpala kēpau (island of Kauaʻi in Hawaii)
  • Guapira discolor (Spreng.) Little (as P. discolor Spreng.[7] and P. floridana Britt. ex Small) – Rock Key devil's-claws
  • Rockia sandwicensis Heimerl (as P. sandwicensis Hillebr.Script error: No such module "Check for unknown parameters".)[8]

Gallery

References

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