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Integrating multivariate analysis and Air Pollution Tolerance Index (APTI) to evaluate four ornamental plants for sustainable indoor air phytoremediation.
PubMed · 2026-05-23
Researchers tested four common houseplants in a pharmaceutical lab filled with chemical fumes and found that ti plant (Cordyline fruticosa) outperformed the others, removing up to 87.5% of volatile organic compounds while also tolerating pollution stress better than its competitors.
1
Cordyline fruticosa (ti plant) removed 87.50% of VOCs, 88.23% of CO, and 36.78% of CO₂ — the highest of all four species tested.
2
Ti plant had the highest Air Pollution Tolerance Index score (14.76%) and the densest stomata (94.34 per mm²), traits linked to superior pollutant uptake.
3
All four species — ti plant, arrowhead vine, golden pothos, and spider plant — showed measurable phytoremediation ability in both pot and green-wall configurations.
