Petaladenium

Petaladenium urceoliferum is a species of flowering plant in the family Fabaceae. It is a tree native to northern Brazil. It grows in tropical lowland Amazon rain forest in the basin of the Rio Negro, a northern tributary of the Amazon.[2] It is the only member of the genus Petaladenium.[3][4] The genus belongs to tribe Amburaneae in subfamily Faboideae.[5]

Petaladenium
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Genus: Petaladenium
Ducke (1938)
Species:
P. urceoliferum
Binomial name
Petaladenium urceoliferum
Ducke (1938)

It produces three chemical compounds in its leaves that are not found in other members of the Amburaneae: (2S,4S,5R)-5-hydroxy-4-methoxypipecolic acid, (2S,4R,5S)-5-hydroxy-4-methoxypipecolic acid, and (2S,4R,5R)-4-hydroxy-5-methoxypipecolic acid.[6] Petaladenium urceoliferum is unique among legumes in having fimbriate–glandular wing petals.[7]

References
  1. Fernandez, E.; Negrão, R.; León, M.L.V.; Martinelli, G.; Morim, M. (2021). "Petaladenium urceoliferum". IUCN Red List of Threatened Species. 2021: e.T189633978A189633980. Retrieved 8 January 2023.
  2. Petaladenium urceoliferum Ducke. Plants of the World Online. Retrieved 14 September 2023.
  3. "ILDIS LegumeWeb entry for Petaladenium". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Retrieved 22 May 2014.
  4. USDA; ARS; National Genetic Resources Program. "GRIN species records of Petaladenium". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 22 May 2014.
  5. Cardoso D, São-Mateus WM, da Cruz DT, Zartman CE, Komura DL, Kite G, Prenner G, Wieringa JJ, Clark A, Lewis G, Pennington RT, de Queiroz LP (2015). "Filling in the gaps of the papilionoid legume phylogeny: The enigmatic Amazonian genus Petaladenium is a new branch of the early-diverging Amburaneae clade". Molecular Phylogenetics and Evolution. 84: 112–124. doi:10.1016/j.ympev.2014.12.015. PMID 25575702.
  6. Kite GC, Cardoso D, Lewis GP, Zartman CE, de Queiroz LP, Veitch NC (2015). "Monomethyl ethers of 4,5-dihydroxypipecolic acid from Petaladenium urceoliferum: Enigmatic chemistry of an enigmatic legume". Phytochemistry. 116: 198–202. doi:10.1016/j.phytochem.2015.02.026. PMID 25817832.
  7. Prenner G, Cardoso D, Zartman CE, de Queiroz LP (2015). "Flowers of the early-branching papilionoid legume Petaladenium urceoliferum display unique morphological and ontogenetic features". American Journal of Botany. 102 (11): 1780–93. doi:10.3732/ajb.1500348. PMID 26526814.
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