Herpestis rugosa Roth
Limnophila roxburghii Auct. Non G.Don
Limnophila rugosa is an erect, semi-aquatic, fragrant, perennial herb, growing up to 50 cm tall[
The leaves make a popular side dish in southeast Asia, where they are gathered from the wild. The plant is also used medicinally and is the source of an essential oil.
This species has a broad distribution and there is nothing to suggest that it is in decline or threatened throughout its range. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2011)[
E. Asia - India, southern China, throughout Southeast Asia to Fiji and Samoa in the Pacific.
Wet locations along streams, pools and rice fields, at elevations from sea-level up to 1,500 metres[
|Conservation Status||Least Concern
|Other Uses Rating||
The leaves and tender stems smell of anise and are eaten as a condiment raw or cooked[
]. A popular side dish in southeast Asia, eaten with rice[
The leaves are antipyretic[
]. A decoction of the leaves, combined with Ocimum basilicum, is drunk as a treatment for mild gonorrhoea and impotence[
]. The plant is used in the treatment of coughs and colds[
Both a decoction and a steam-bath of the aromatic leaves are used to cure itching eyes[
The plant contains an essential oil that comprises linalool (0.1%), estragole (22%), cis-anethole (0.03%), anisaldehyde (0.05%), trans- anethole (75%), anisyl acetone (0.03%), caryophyllene (0.08%), humulene (0.15%) and 'ALFA'-bulnesene (0.01%)[
The flavonoid nevadensin, present in the leaves, has shown a hypotensive action[
The plant contains an essential oil. The oil comprises mainly trans-anethole (76.39%) and estragol (21.94%), with small quantities of humulene (0.15%), linalool (0.08%), caryophyllene (0.08%), anisaldehyde (0.05%), anisyl acetone (0.03%) and a-bulnescene (0.01%)[
The aromatic herb is used to perfume hair[
Cuttings. The stems often form basal roots, and these can be used as propagation material[
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