Synedrella nodiflora L Gaertn
Synonymy: Verbesina nodiflora.
Common names: Cinderella node weed, porter bush, pig grass rumput babi (Malay); ngaroiarui (Cook Islands); cerbatana (Spanish).
Uses: In Malaysia, Synedrella nodiflora (L.) Gaertn. is applied externally to soothe inflammation and to assuage headache. The juice, expressed from the leaves mixed with the seeds of Nigella sativa, is used to assuage earache. In India, the leaves are used to treat rheumatism.
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- Fig. 379. Synedrella nodiflora (L.) Gaertn.
Physical description: It is a glabrous, scaberulous and wiry herb native to America, growing to a height of 60 cm around houses and along roadsides of the Asia-Pacific. Leaves: simple, without stipules and opposite. The petiole is 2 mm-9 mm long. The blade is 1.5 cm-7.5 cm x 6 mm-3 cm, ovate, glossy, soft, dentate, and acute at the apex and shows a few pairs of secondary nerves. The flowers are very small and yellowish. The ray-florets develop broad limbs. The disc florets are 4-lobed. The pappus shows a few bristles. The fruits are horned achenes (Fig. 379).
Pharmaceutical interest: The anti-inflammatory property of Synedrella nodiflora (L.) Gaertn. is confirmed, as the plant abrogates carrageenan-induced inflammation given per os at a dose of 40mg/Kg, as effective as reference drugs phenylbutazone (80mg/Kg) and indomethacine (3mg/Kg; Abad MJ etal., 1996).The exact mechanism by which Synedrella nudiflora (L.) Gaertn. is anti-inflammatory is still a mystery. However, steroids is likely to be present as the plant contains oestradiol (Mannan A etal., 1978).
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