Dichorisandra

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Dichorisandra
Dichorisandra thyrsiflora, RBGE 2009.jpg
Dichorisandra thyrsiflora growing at the Royal Botanic Garden Edinburgh
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Commelinales
Family: Commelinaceae
Subfamily: Commelinoideae
Tribe: Tradescantieae
Subtribe: Dichorisandrinae
Genus: Dichorisandra
J.C.Mikan, 1820
Type species
D. thyrsiflora
Synonyms [1]
  • StickmanniaNeck.
  • PetaloxisRaf.

Dichorisandra is a genus of perennial monocotyledonous flowering plants in the dayflower family (Commelinaceae). It is found in the neotropics. [1] The genus is characterised by its slightly zygomorphic flowers with large anthers usually releasing pollen by means of pores at the apex, as well as by its seeds that are embedded in a red or sometimes white aril, and tubers that often form at the tips of the roots. [2] Both morphology and an analysis of DNA sequences indicate it is very closely related to the genus Siderasis . [3]

Species [1]

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  1. Hyptidendron amethystoides(Benth.) Harley - eastern Brazil
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  5. Hyptidendron canum(Pohl ex Benth.) Harley - Brazil, Bolivia
  6. Hyptidendron caudatum(Epling & Játiva) Harley - Brazil
  7. Hyptidendron claussenii(Benth.) Harley - Minas Gerais
  8. Hyptidendron conspersum(Benth.) Harley - Bahia
  9. Hyptidendron dictiocalyx(Benth.) Harley - Goiás
  10. Hyptidendron eximium(Epling) Harley & J.F.B.Pastore - Mato Grosso
  11. Hyptidendron glutinosum(Benth.) Harley - Brazil, Bolivia
  12. Hyptidendron leucophyllum(Pohl ex Benth.) Harley - southern Brazil
  13. Hyptidendron rhabdocalyx(Mart. ex Benth.) Harley - southern Brazil
  14. Hyptidendron rondonicum(Harley) Harley - Brazil
  15. Hyptidendron unilaterale(Epling) Harley - southern Brazil
  16. Hyptidendron vauthieri(Briq.) Harley - southern Brazil
  17. Hyptidendron vepretorum(Mart. ex Benth.) Harley - Minas Gerais
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References

  1. 1 2 3 Kew World Checklist of Selected Plant Families
  2. ↑ Faden, Robert B. (1998), "Commelinaceae", in Kubitzki, Klaus (ed.), The Families and Genera of Vascular Plants, 4, Berlin: Springer, pp. 109–128, ISBN   3-540-64061-4
  3. ↑ Evans, Timothy M.; Sytsma, Kenneth J.; Faden, Robert B.; Givnish, Thomas J. (2003), "Phylogenetic Relationships in the Commelinaceae: II. A Cladistic Analysis of rbcL Sequences and Morphology", Systematic Botany, 28 (2): 270–292, doi:10.1043/0363-6445-28.2.270
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