Pentastemona

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Pentastemona
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Pandanales
Family: Stemonaceae
Genus: Pentastemona
Steenis

Pentastemona is a genus in the family Stemonaceae, described as a genus in 1982. [1] [2] In 1992, Duyfjes placed the genus in its own family, the Pentastemonaceae, but this is not widely accepted. [3] [4] It is the only monocot genus with pentamerous flower parts (i.e. five petals, five sepals, five stamens and five carpels). [1]

The entire genus is endemic to the island of Sumatra in Indonesia. [5]

Species

Two species are accepted: [5]

References

  1. 1 2 Steenis, Cornelis Gijsbert Gerrit Jan van. 1982. Blumea 28: 158-162
  2. Tropicos, Pentastemona Steenis
  3. Duyfjes-de Wilde, Brigitta Emma Elisabeth. 1992. Blumea 36: 552
  4. Tropicos, Pentastemonaceae Duyfjes
  5. 1 2 "Plants of the World Online". Plants of the World Online. Retrieved 2025-07-31.