TuberoseOil.com

Polianthes, now Agave

Linnaeus published Polianthes tuberosa in Species Plantarum in 1753.1 In 2017 Thiede and Govaerts, following phylogenetic work that found Polianthes “nested within the large genus Agave”, moved the tuberose into that genus as Agave amica, built on Medikus's 1790 name Tuberosa amica.23 World Flora Online, drawing on the World Checklist of Vascular Plants, carries Agave amica as the accepted name in the family Asparagaceae, with Polianthes tuberosa L. and two earlier transfers, Agave tuberosa and Agave polianthes, among its synonyms.4 The old genus name joins Greek polios, whitish, and anthos, flower; the epithet refers to the tuberous base.5 Several studies cited here still write Polianthes tuberosa.67

Bone flower, from Mexico

World Flora Online maps the native range to central, south-east and south-west Mexico, and records the plant as introduced from Central America and the Caribbean to Peru, Rwanda, the Seychelles and the Mariana Islands.4 In Nahuatl it was omixochitl: the University of Oregon's Online Nahuatl Dictionary glosses it as the tuberose, notes that the “etymology suggests bone-flower”, Spanish flor de hueso, and records an association with the god Xochipilli.8 India's National Horticulture Board gives Mexico as the centre of origin,9 while the 1753 entry, IPNI notes, cited India for its habitat.1

A flower that keeps evening hours

Maiti and Mitra, at IIT Kharagpur, describe tuberose as a crop “widely cultivated for its pleasant and intense floral fragrance in the evening”. Sampling the air around the flowers, they found emission “rhythmic and nocturnal under normal day-night influence, peaking at night”, with enzyme activity and gene transcripts rising just before the peak. Scanning microscopy showed many stomata on the adaxial, or upper, surface of the tepal, which the authors suggest may bear on where the scent is released.6 Pickers keep the opposite hours: India's National Horticulture Board has individual flowers picked in the early morning.10

Where tuberose is grown

A team at the ICAR–Directorate of Floricultural Research in Pune lists large-scale cultivation in Egypt, China, Morocco, France, South Africa, North Carolina in the USA, and tropical and subtropical regions such as India;11 another group names China, Egypt, South Africa, India and Japan.12 Within India, the National Horticulture Board places the chief centres in Karnataka, Maharashtra, Assam, Rajasthan, Gujarat, Tamil Nadu, Andhra Pradesh and West Bengal.9 A 2025 study of growers around Madurai, Dindigul and Coimbatore reports tuberose oils “exported to countries such as France, the USA, Germany, the UAE, and Japan”.13 For extraction, single-flowered types are “preferred”; doubles are grown mainly for ornament.11

What ‘tuberose oil’ means in trade

The name is looser than it sounds. In 1857 the perfumer Septimus Piesse wrote: “Practically, we have no essential oils or ottos of Jasmine, Vanilla, Acacia, Tuberose”; those odours were known from fats and oils “in which the several flowers have been repeatedly infused”.14 The usage has lasted. A 2009 Kasetsart University study titled for tuberose oil made and analysed absolutes, by enfleurage and with hexane or petroleum ether, the solvent route leaving a solid concrete from which alcohol draws the absolute. The authors add that tuberose holds scent in its flower wax, and that much wax makes distillation difficult.15 Indian work grades single-flowered types by concrete: 0.08 to 0.14 per cent.11

Enfleurage and the Grasse frames

Piesse described enfleurage for odours “so delicate and volatile” that heat would spoil them: glass-bottomed frames spread with half an inch of fat, flowers set in it for “from twelve to seventy-two hours”, then changed for as long as the plants bloomed. Tuberose gave by this route “one of the most exquisite odors with which we are acquainted”. Grasse and Nice were “the principal seats of the art”, and one large house of Grasse and Paris took 20,000 lb of tubereuse a year.14 In 2009 trials, cold enfleurage still gave the absolute closest to fresh flowers, but was “very labor-intensive and expensive”.15 UNESCO inscribed the perfume skills of the Pays de Grasse in 2018.16 TuberoseOil.com has no affiliation with UNESCO, any institute named here, or any perfume house.

The molecules behind the scent

Benzenoids lead. Headspace analysis of flowers at anthesis found methyl benzoate (17.07%), 1,8-cineole (10.00%), methyl salicylate (9.83%), indole (6.65%) and methyl anthranilate (4.29%), among others.7 Extracts shift the balance: methyl benzoate headed both enfleurage absolutes in the 2009 trials and benzyl benzoate the hexane absolute, with the lactone 7-decen-5-olide prominent in the cold-enfleurage and solvent absolutes.15 Lactones are part of the signature: in 1982 Maurer and Hauser identified six unsaturated γ-lactones in tuberose absolute and proposed the name tuberolide for one, noting that ‘tuberolactone’ had been suggested for (Z,Z)-2,7-decadien-5-olide.17 Cultivar matters too: seven Indian cultivars fell into four distinct clusters.18

Who builds on a name like TuberoseOil.com

• Fine fragrance houses. Methyl benzoate, indole and the tuberose lactones.717
• Natural-extract producers. Concrete, absolute and enfleurage, compared.15
• Growers and exporters. From India to France, the USA, Germany, the UAE and Japan.13
• Cut-flower and garland trade. Single types for scent, doubles for show.11
• Botanical and horticultural publishers. A name moved from Polianthes to Agave.24
• Mexican heritage projects. Omixochitl, the bone flower.8

1. Polianthes tuberosa L. (1753).IPNI, Kew
2. Thiede J, Govaerts R. New combinations in Agave: A. amica.Phytotaxa, 2017
3. Agave amica (Medik.) Thiede & Govaerts.IPNI, Kew
4. Agave amica (Medik.) Thiede & Govaerts.World Flora Online
5. Agave amica ‘Sensation’ (Tuberose).NParks Flora & Fauna Web
6. Maiti S, Mitra A. Spatio-temporal scent emission in P. tuberosa.Plant Cell Physiol, 2017
7. Fan R et al. Transcriptome of P. tuberosa during scent formation.PLOS ONE, 2018
8. omixochitl.Online Nahuatl Dictionary, Univ. of Oregon
9. Tuberose: area under cultivation.National Horticulture Board, India
10. Tuberose: harvesting.National Horticulture Board, India
11. Jadhav PR et al. Scent in single- vs double-flowered tuberose.Plant Biol, 2026
12. Niculae M et al. Agave amica: phenolic profile.Antibiotics, 2025
13. Nisha VS et al. Value chain of jasmine and tuberose in Tamil Nadu.Madras Agric J, 2025
14. Piesse GWS. The Art of Perfumery.Philadelphia, 1857 (Project Gutenberg)
15. Rakthaworn P et al. Extraction methods for tuberose oil.Kasetsart J (Nat Sci), 2009
16. The skills related to perfume in Pays de Grasse.UNESCO, 2018
17. Maurer B, Hauser A. New γ-lactones from tuberose absolute.Helv Chim Acta, 1982
18. Kutty NN, Mitra A. Metabolite variation among tuberose cultivars.Phytochemistry, 2019