Portulacaria
From Wikipedia, the free encyclopedia
| Portulacaria | |
|---|---|
 | |
| Portulacaria afra | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Portulacaceae |
| Genus: | Portulacaria Jacq. |
Portulacaria is a plant genus previously placed in the family Portulacaceae, but according to molecular studies is part of Didiereaceae.
Species include:
- Portulacaria afra Jacq.
- Portulacaria armiana E. J. Van Jaarsveld
- Portulacaria namaquensis Sond.
- Portulacaria pygmaea Pillans
Portulacaria afra normally uses C3 (or Hatch-Slack) carbon fixation but is also able to switch to CAM carbon fixation when drought stressed.[1]
References
- ↑ Guralnick, L. J.; Ting, I. P. (1987). "Physiological Changes in Portulacaria afra (L.) Jacq. during a Summer Drought and Rewatering". Plant Physiology 85 (2): 481. doi:10.1104/pp.85.2.481. PMC 1054282. PMID 16665724.
External links
- Portulacaria afra, the Elephant's Food or Spekboom: a monograph which contains some of the areas of both knowledge and ignorance pertaining to this plant, by Robert J. Baran, 1999-2010
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