Tinkturenpresse

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Philodendron solimoesense A.C.Sm. - Araceae

Hemiepiphyte, often high-climbing, in terra firme or flooded blackwater (igapó) forests or riverine and lacustrine gallery forests, also terrestrial and then erect or prostrate on sandy soils; native to French Guiana, Guyana, Surinam, Venezuela, Colombia, Ecuador, Peru, West-central and North Brazil; stem climbing or hanging with erect tip in epiphytic plants, erect to prostrate in terrestrial plants, 1-6 m long; foliage leaf scars transverse-elliptic to suborbicular, 2.5-3.5cm in diam.; leaves ~25 cm long, deciduous; petiole 50-100(-114)cm long; inflorescence a peduncle, up to 12cm long; tapering to base, green; spathe 13-31 cm long, ± cylindric, outer surface glossy light green, becoming yellow with ripening of fruits; berries white, orange or red (fide different collectors) with sweet fermenting odour, compressed-subcylindric, 1-1.3cm long and in diam. \\
[[https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:193183-2/general-information|Philodendron solimoesense, RBG Kew]] retrieved 25 June 2025

|{{:grapefruit_mercaptan.jpg| (R)-1-p-menthene-8-thiol }} \\ (R)-1-p-menthene-8-thiol | {{:rose_oxide4r2s_cis.jpg| cis-rose oxide }} \\ cis-rose oxide |{{:jasmonate_methyl_epi.jpg| (+)-epi-methyl jasmonate }} \\ methyl cis (Z)-jasmonate |

The aerial roots give off a wonderful grapefruit-like and woody scent when cutted. "Of the 85 constituents identified by us in this root scent, the key olfactory component proved to be the sulfur analogue of alpha-terpineol, p-menth-1-ene-8-thiol; althoug present at 0.000001%, it contributes the crisp graefruit note... this compound was originally discobered in grapefruit, and it belongs among the most powerful scent components known in nature. Also indispensable for this unique rainforest scent are cis-rose oxide (0.01%) and methyl cis-(Z)-jasmonate (0.02%), together with all the mono- and sesquiterpenes [like e.g. α-pinene (15.7%), limonene (16.7%), α-copaene (11.2%), caryophyllene (16.8%) e.g.]." \\ 
[Meaningful Scents around the World, R.Kaiser, 2006, 38-40; 251]