| Monarch redstem | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Myrtales |
| Family: | Lythraceae |
| Genus: | Ammannia |
| Species: | A. baccifera
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| Binomial name | |
| Ammannia baccifera L.
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| Synonyms | |
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Ammannia aegyptiaca Willd. | |
Ammannia baccifera, also known as the monarch redstem or blistering ammannia is a species in the family Lythraceae. It is widespread in the tropical regions of Asia, America and Africa. It has been naturalized in Spain. It is annual and herbaceous, and can be found in marshes, swamps, rice fields and water courses at low elevations. It is considered endangered in Israel, but because it is widespread and common elsewhere, the IUCN considers it to be 'Least Concern'. The plant Ammannia baccifera Linn. is erect, branched, smooth, slender, annual, more or less purplish herb 10 to 50 centimeters in height. The stems are somewhat 4-angled. The leaves are oblong, oblanceolate, or narrowly elliptic, about 3.5 centimeters long – those on the branches very numerous, small, and 1 to 1.5 centimeters long – with narrowed base and pointed or somewhat rounded tip. The flowers are small, about 1.2 millimeters long, greenish or purplish, and borne in dense axillary clusters. The capsules are nearly spherical, depressed, about 1.2 millimeters in diameter, purple, and irregularly circumscribes above the middle. The seeds are black (Nadkarni, 1982).
- ^ Rhazi, L.; Rhazi, M. & Flanagan, D. (2014). "Ammannia baccifera". The IUCN Red List of Threatened Species. 2014. IUCN: e.T164484A54398379. doi:10.2305/IUCN.UK.2014-1.RLTS.T164484A54398379.en. Retrieved 5 January 2018.