Plants used for soap

List of plants some organ of which is directly used as soap. This list excludes oil plants, the oil of which is used through esterification. Most data come from PROTA

• Entada rheedei Spreng.: bark
• Furcraea foetida (L.) Haw.: leaves
• Colubrina decipiens (Baill.) Capuron: bark
• Colubrina arborescens (Mill.) Sarg.: leaves, bark
• Momordica cochinchinensis (Lour.) Spreng.: roots
• Quillaja saponaria Molina: soap from the powder of internal bark, pesticide adjuvant
• Sapindus mukorossi: fruits (washing nuts). saponine (terpenic or steroidic)
• Sapindus saponaria L.
• Saponaria officinalis L.: roots (saponaire)
• Sida rhombifolia L.: leaves
• Triadica sebifera (L.) Small: leave wax used to produce a soap
• Trichilia emetica Vahl: seed oil, leaves
• Zanha africana (Radlk.) Exell: root or stem bark, fruits
• Zanha golungensis Hiern: bark
• Zanha suaveolens Capuron: bark

Although it is called savonnier and belongs to the Sapindaceae family, Koelreuteria paniculata Laxm. doesn't seem to be used for soap.