Family: Asteraceae Genus: Tridax Species: T. procumbens
Vettukaaya poondu or Kinatruppasan (கிணற்றுப்பாசான், கிணற்றுப்பூடு) in Tamil, Jayanthi in Kannada, Cadillo chisaca in Spanish, Herbe caille in French, Jayanti veda in Sanskrit, Ghamra in Hindi, Bishalya karani (ବିଶଲ୍ୟକରଣୀ) in Oriya, Kambarmodi in Marathi, Gayapaaku (గాయపాకు) & Gaddi chemanthi (గడ్డి చామంతి) in Telugu, Kotobukigiku in Japanese and tīn túkkæ (ตีนตุ๊กแก; "gecko feet") in Thai.
Syzygium samarangense - Water Apple - தண்ணீர் ஆப்பிள்
Family: Myrtaceae Genus: Syzygium Species: S. samarangense
The flowers are astringent and used in Taiwan to treat fever and halt diarrhea. Investigators have found their principal constituent to be tannin. They also contain desmethoxymatteucinol, 5-O-methyl-4'-desmethoxymatteucinol, oleanic acid and B-sitosterol.