Senna (herb)

Senna, the sennas, is a large genus of flowering plants in the legume family (Fabaceae, subfamily Caesalpinioideae,^[1] tribe Cassieae). This diverse genus is native throughout the tropics, with a small number of species in temperate regions. The number of species is estimated to be from about 260^[2] to 350.^[3] The type species for the genus is Senna alexandrina. About 50 species of Senna are known in cultivation.^[4]

Senna
Golden Senna -Senna candolleana
Scientific classification
Kingdom:	Plantae
Division:	Magnoliophyta
Class:	Magnoliopsida
Order:	Fabales
Family:	Fabaceae
Subfamily:	Caesalpinioideae
Genus:	Senna Mill.
Species
S. candolleana

References

1. The Legume Phylogeny Working Group (LPWG) (2017). "A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny". Taxon. 66 (1): 44–77. doi:10.12705/661.3.
2. Marazzi, B.; et al. (2006). "Phylogenetic relationships within Senna (Leguminosae, Cassiinae) based on three chloroplast DNA regions: patterns in the evolution of floral symmetry and extrafloral nectaries". American Journal of Botany. 93 (2): 288–303. doi:10.3732/ajb.93.2.288. PMID 21646190. S2CID 24791422.
3. Randell, B. R. and B. A. Barlow. 1998. Senna. pp 89-138. In: A. S. George (executive editor). Flora of Australia volume 12. Australian Government Publishing Service: Canberra, Australia.
4. Huxley, A., et al. (1992). The New Royal Horticultural Society Dictionary of Gardening. The Macmillan Press, Limited: London. The Stockton Press: New York. ISBN 978-0-333-47494-5 (set).