Senna (genus)
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Senna sp. inflorescence in Costa Rica
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Senna is a large genus of about 250–260 species of flowering plants in the family Fabaceae, subfamily Caesalpinioideae. This diverse genus is native throughout the tropics, with a small number of species reaching into temperate regions. See this other article for its herbal uses.
Typically Senna species have yellow flowers. Some species of Senna are notable for being host to particular butterfly species — for instance Cloudless Sulphur butterflies.
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[edit] Selected species
- Senna aculeata
- Senna alata
- Senna alexandrina
- Senna angulata
- Senna armata
- Senna artemisioides
- Senna auriculata
- Senna australis
- Senna bicapsularis
- Senna birostris
- Senna candolleana
- Senna corymbosa
- Senna covesii, (Desert senna, Rattleweed)
- Senna cumingii
- Senna didymobotrya
- Senna fruticosa
- Senna hebecarpa
- Senna helmsii
- Senna hirsuta
- Senna italica
- Senna ligustrina
- Senna lindheimeriana
- Senna macranthera
- Senna marilandica
- Senna multiglandulosa
- Senna multijuga
- Senna nicaraguensis
- Senna nitida
- Senna obtusifolia
- Senna occidentalis
- Senna odorata
- Senna oligophylla
- Senna pallida
- Senna purpusii
- Senna siamea (syn. Cassia siamea; Siamese cassia; Siamese senna)
[edit] Uses
[edit] Medicinal use
Because of the presence of anthraquinones, senna species are used as the primary ingredient in certain commercial stimulant laxatives. It is also the primary ingredient found in most "dieter's tea."
[edit] Culinary use
In some Southeast Asian cuisines (particularly those of Thailand and Laos), the leaves and flowers of Siamese Cassia (Senna siamea, called khi-lek in Thai), either fresh or pickled in brine, are used in cooking, particularly in gaeng khi-lek (khi-lek curry).[1][2]
[edit] External links
- U.S. Agriculture Department - PLANTS Database - Senna
- Connecticut Botanical Society - American Senna