Xerophyta

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Xerophyta
Xerophyta retinervis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Pandanales
Family: Velloziaceae
Genus: Xerophyta
Juss. (1789)

Xerophyta is a plant genus in the family Velloziaceae erected in 1789.[1][2] It is native to Africa, Madagascar, and the Arabian Peninsula.[3]

Some species in this genus are poikilochlorophyllous plants. This means that during dry climatic conditions, they lose chlorophyll and cease photosynthesis and transpiration. Thus they are extremely tolerant of desiccation .[4] Hence the name Xerophyta, from Ancient Greek ξηρός (xeros, "dry") and φυτά (phutá), plural of φυτόν (phutón, “plant”).[5]

Species[3]
formerly included[3]

moved to other genera: Barbaceniopsis Nanuza Vellozia

See also

References

  1. ^ Jussieu, Antoine Laurent de. 1789. Antonii Laurentii de Jussieu Genera plantarum :secundum ordines naturales disposita, juxta methodum in Horto regio parisiensi exaratam 50 in Latin
  2. ^ Tropicos, Xerophyta Juss.
  3. ^ a b c Kew World Checklist of Selected Plant Families
  4. ^ Loss of chlorophylls, cessation of photosynthetic CO2 assimilation and respiration in the poikilochlorophyllous plant Xerophyta scabrida during desiccation. Z. Tuba, H. K. Lichtenthaler, Zs. Csintalan, Z. Nagy1 and K. Szente, Physiologia Plantarum, March 1996, Volume 96, Issue 3, pages 383–388, doi:10.1111/j.1399-3054.1996.tb00448.x
  5. ^ Wiktionary

External links