Pluchea indica

Pluchea indica is a species of flowering plant in the aster family, Asteraceae. Its common names include Indian camphorweed, Indian fleabane, and Indian pluchea.[1] It is native to parts of Asia and Australia, and it is widespread in the Pacific Islands as an introduced and often invasive species.[1][2]

Pluchea indica
naturalized in Maui
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Pluchea
Species:
P. indica
Binomial name
Pluchea indica
Synonyms

The species hybridizes with Pluchea carolinensis when the two plants grow together, yielding a hybrid that has been named Pluchea × fosbergii.[1]

Description

This species is a branching shrub up to 2 meters tall. The toothed oval leaf blades are papery but not thin, and often have a fine coating of hairs. The flower heads grow in dense clusters in the leaf axils and at the branch tips. The pinkish purple florets have long, protruding styles. Florets along the edges of the head produce fruits. The fruit body is a millimeter in length with a white pappus about 5 millimeters long.[1][3] The seeds are dispersed on the wind.[1]

Uses

The plant contains the compounds β-sitosterol and stigmasterol, which have antidiabetic properties.[4] The β-sitosterol isolated from the root extract can also neutralize the venom of Russell's viper (Daboia russelii) and the monocled cobra (Naja kaouthia).[5]

Habitat

The plant often grows in wet saline coastal habitat, such as brackish marshes and mangroves.[1][3] Though it is not very competitive with other flora, it can easily colonize coastal habitat and impact native and cultivated plants. It alters waterbird habitat.[1] It is considered invasive in New Caledonia, where it was introduced in 1967.[6]

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References
  1. Pluchea indica. Pacific Island Ecosystems at Risk (PIER).
  2. "Pluchea indica". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 21 January 2018.
  3. Pluchea indica. Flora of China.
  4. Gupta, R.; et al. (2011). "Antidiabetic and antioxidant potential of β-sitosterol in streptozotocin-induced experimental hyperglycemia". Journal of Diabetes. 3 (1): 29–37. doi:10.1111/j.1753-0407.2010.00107.x.
  5. Gomes, A.; et al. (2007). "Viper and cobra venom neutralization by b-sitosterol and stigmasterol isolated from the root extract of Pluchea indica Less. (Asteraceae)". Phytomedicine. 14 (9): 637–43. doi:10.1016/j.phymed.2006.12.020. PMID 17293096.
  6. Hequet, Vanessa (2009). Les espèces exotiques envahissantes de Nouvelle-Calédonie (PDF) (in French). pp. 17, 46.
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