Family • Hydrophyllaceae - Hydrolea zeylanica (Linn.) Vahl - BLUE WATER LEAF - Tian ji ma
|Hydrolea zeylanica (Linn.) Vahl.|
|Hydrolea arayatensis Blanco|
|Hydrolea inermis Loureiro|
|Hydrolea javanica Blume|
|Nama zeylanca Linn.|
|Ceylon hydrolea (Engl.)|
|Blue water leaf (Engl.)|
|Water olive (Engl.)|
Other vernacular names
|BENGALI: Isa-langulia, Kasschra.|
|CHINESE: Tian ji ma.|
|HINDI: Koliary, Langali.|
|MARATHI: Popti, Keriti.|
Additional Sources and Suggested Readings
(1) Some Anti-Diabetic Plants of Southern Assam / G Banik, M Bawari et al / Assam University Journal of Science & Technology : Biological and Environmental Sciences Vol. 5 Number I 114-119, 2010
(2) Ceylon Hydrolea / Common names / Flowers of India
(3) Content and distribution of flavonoids among 91 edible plant species / Ray-Yu Yang PhD, Shou Lin BSc and George Kuo PhD / Asia Pac J Clin Nutr 2008;17(S1):275-279
Hydrolea zeylanica is an annual, ascending or procumbent, sparingly branched, nearly smooth herb, a few centimeters to 1.2 meters in length, and rooting at the lower nodes. Leaves are lanceolate, 2 to 12 centimeters long, 6 to 12 millimeters wide, and pointed at both ends. Flowers are very numerous, bright blue, and borne in racemes. Sepals are hairy, green, oblong-linear, and about 5 millimeters long. Corolla is 8 to 10 millimeters in diameter, with ovate lobes. Fruit is a capsule, ovoid, 4 millimeters long, surrounded by the persistent calyx-lobes, and contains numerous, minute, oblong seeds, less than 0.5 millimeters long.
– Found in northern Luzon to Mindoro, probably in most islands and provinces, in open wet places, often common in rice paddies as a weed.
– Also occurs in Indian to China and through Malaya to tropical Australia.
– Shoots yield flavanoids – kaempferol and quercetin.
– Study of flavonoid content of shoots showed: total flavonoids, 10.1/100 g fw, dry matter 18.3, quercetin 2.2, kaempferol 7.9.
Considered to have antiseptic properties.
– Considered edible, but underutilized.
– Leaves, beaten into a pulp, used as poultice to facilitate healing of neglected and callous ulcers.
– In southern Assam, India, leaves and twigs used for diabetes.
– In Ayurveda, leaf poultice used for ulcers.
• No studies found.