Kaliwatan sa tanom nga bulak ang Commelina undulata.^[1] Una ning gihulagway ni Robert Brown.^[2] Ang Commelina undulata sakop sa kahenera nga Commelina, ug kabanay nga Commelinaceae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Maluku
• Ryukyu Islands
• Northern Territory
• State of Queensland
• Viyetnam
• Indya
• Republika sa Tsina
• Pilipinas
• Pakistan
• habagatan-sidlakang & habagatan-sentrong Pangmasang Republika sa Tsina
• kasadpang Himalayas
• Sri Lanka
• Bangladesh
• Maldives

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 43175364. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ R.Br. (1810) , In: Prodr. Fl. Nov. Holland.: 270
3. ↑ Govaerts R. (ed). For a full list of reviewers see: http://apps.kew.org/wcsp/compilersReviewers.do (2019). WCSP: World Checklist of Selected Plant Families (version Aug 2017). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.