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Lawn marshpennywort

Hydrocotyle sibthorpioides

Also called Lawn Water Pennywort, Lawn Marsh Pennywort, Lawn Pennywort, Sibthorp's Pennywort

Lawn marshpennywort
Photo: Prenn, CC BY-SA 3.0
Family
Araliaceae (Ivy family)
Grows as
Shrub, Aquatic
Light
Full sun
Water
Likes moisture
Safety
Toxic
Native range
Trop. & Subtrop. Old World
Climate
montane tropical

About

Hydrocotyle sibthorpioides is a small species of flowering plant native to southeastern Asia. It is also referred to as lawn marshpennywort. It is a dicot, formerly placed in the family Apiaceae, but more recently shown to belong in the Araliaceae. It grows in abundance when the conditions are right. Hydrocotyle sibthorpioides originated in southeastern Asia, but is slowly spreading in the United States, along with other places around the world. It can grow in a wide variety of habitats. It has been used for medicinal purposes in Asia and is also common in the aquarium trade.

Safety

The phytoconstituents of H. sibthorpioides have shown a wide range of therapeutic utility, although pharmacological use is only justified if it has a satisfactory safety profile. There is no indication that the plant or its extracts have ever been tested in a clinical experiment. Following OECD standards 425, Hazarika et al. (2019) conducted a preclinical acute toxicity investigation on several extracts of H. sibthorpioides using albino rats, and found that the LD50 was larger than 2000 mg/kg of body weight.

Where it grows

Hydrocoytle sibthorpioides is most common in southeastern Asia. Although it is native to Asia, there are parts of the United States where this plant thrives as an introduced species, particularly in the eastern US and some areas in California. Recently, it has been reported to flourish in southeast Australia, where it occurs in Brisbane and Sydney, is native to Western Australia. This species is able to grow in a wide variety of habitats, from dry areas to locations that are occasionally submerged. It can also be found between sidewalk cracks, and is increasingly occurring as a lawn weed.

Uses

Many tribes in the world use H. sibthorpioides to treat fever, edoema, dysentery, rheumatalgia, whooping cough, jaundice, throat discomfort, psoriasis, herpes zoster infection, hepatitis-B infection, calming pain, dysmenorrhoea, and carbunculosis. In Assam, it is also employed as a hepatoprotective agent, a brain tonic, and a detoxifying agent. Bengali villagers use the entire plant for bone fractures. Extracts of this plant have been found to be free from toxicity up to a dose of 2000 mg/kg in rats. In Chinese traditional medicine, it is known as Jiangxi Jinqiancao.

Other Hydrocotyle plants

American marshpennywort · Largeleaf pennywort · Hydrocotyle digitata · Forest Pennywort · Hydrocotyle hexagona · Hairy Pennywort · Hydrocotyle hitchcockii · Nepalese Pennywort · Hydrocotyle laxiflora · Musky marshpennywort · Hydrocotyle phoenix · Whorled marshpennywort

Text excerpted from the Wikipedia article Hydrocotyle sibthorpioides by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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