Mom Che Puteh's Garden, Alor Setar, Kedah, Malaysia.
Sansevieria trifasciata Prain. Asparagaceae. Also placed in Agavaceae, Convallariaceae, Dracaenaceae, Liliaceae, Ruscaceae. CN: [Malay - Lidah jin, Lidah mertua], African bowstring-hemp, Konje-hemp, Mother-in-law's-tongue, Snakeplant. Native of Zaire, Nigeria. Ornamental and folk medicines. Sansevieria "Hahnii" is a cultivar of Sansevieria trifasciata having rosette characteristic. A study by NASA found that it is one of the best plants for improving indoor air quality by passively absorbing toxins such as nitrogen oxides and formaldehyde.
Sansevieria laurentii De Wild. [Sansevieria trifasciata var. laurentii]