Peucedanum


Peucedanum is a genus of flowering plant in the carrot family, Apiaceae. Peucedanum boasts a global presence with diverse spread of morphological features. Peucedanum species are characterized by dorsally compressed mericarps, slightly prominent dorsal ribs, narrowly winged lateral ribs, and a broad commissure. However, the vast diversity of morphology, fruit forms, and phytochemical production makes classifying species in the Peucedanum challenging. Historically relevant in traditional medicine, Peucedanum's taxonomic complexity arises from its extensive diversity.
Peucedanum's taxonomy is being reshaped by novel genomic insights, prompting ongoing revisions with promising implications for ethnopharmacological research and the broader understanding of plant biodiversity. These efforts hold potential for advancements in therapeutic discoveries and contribute to the ecological significance of this globally diverse genus.

Taxonomy

Recent genomic analyses have indicated Peucedanum's non-monophyletic nature, prompting revisions in its taxonomic classification. Once considered among the largest genera of the Apiaceae, taxonomic revisions, informed by genomic and phytochemical analyses, have reduced the estimated number of Peucedanum species to approximately 74. Molecular phylogenetic studies have identified fifteen mutation hotspots in the Peucedanum genome, providing potential markers for accurate species classification. Ongoing taxonomic revisions, guided by genetic insights, aim to enhance accuracy and facilitate the discovery of new Peucedanum species.

Species

, Plants of [the World Online] accepted the following species:
Species formerly classified as Peucedanum include:
Former accepted nameYear assignedCurrently accepted nameYear reclassifiedAdditional synonyms in genus
Peucedanum abyssinicum Vatke1876Afrosciadium abyssinicum P.J.D.Winter2008
Peucedanum silaifolium Hiern
Peucedanum afrum Meisn.1987Afrosciadium afrum P.J.D.Winter2008
Peucedanum connatum E.Mey. ex Sond.
Peucedanum meisnerianum MacOwan ex Engl.
Peucedanum angustisectum NormanLefebvrea angustisecta Engl.
Peucedanum articulatum C.C.Towns.1987Afrosciadium articulatum P.J.D.Winter2008
Peucedanum camerunense Jacq.-Fél.Lefebvrea angustisecta Engl.-
Peucedanum dispersum C.C.Towns.1987Afrosciadium dispersum P.J.D.Winter2008
Peucedanum dissectum Dawe, nom. illeg.1906Afrosciadium kerstenii P.J.D.Winter2008-
Peucedanum englerianum H.Wolff1927Afrosciadium englerianum P.J.D.Winter2008
Peucedanum eylesii C.Norman1932Afrosciadium eylesii P.J.D.Winter2008
Peucedanum falcaria Turcz.1832Haloselinum falcaria Pimenov2012
Peucedanum pricei N.D.Simpson
Peucedanum salsugineum Krylov
Peucedanum friesiorum H.Wolff1927Afrosciadium friesiorum P.J.D.Winter2008
Peucedanum aberderense H.Wolff
Peucedanum galbanum Magee1898Notobubon galbanum Drude2008
Peucedanum galbanum var. dentatum Kuntze
Peucedanum galbanum var. incisodentatum Kuntze
Peucedanum rhombifolium Stokes
Peucedanum gossweileri C.Norman1922Afrosciadium gossweileri P.J.D.Winter2008
Peucedanum harmsianum H.Wolff1927Afrosciadium harmsianum P.J.D.Winter2008
Peucedanum canaliculatum Verdc.
Peucedanum kerstenii Engl.1894Afrosciadium kerstenii P.J.D.Winter2008
Peucedanum dissectum Dawe
Peucedanum mildbraedii H.Wolff
Peucedanum wrightii M.Hiroe
Peucedanum kupense I.Darbysh. & CheekLefebvrea angustisecta Engl.-
Peucedanum ledebourielloides K.T.Fu1981Pseudopeucedanum ledebourielloides C.K.Liu & X.J.He2023
Peucedanum lundense Cannon1970Afrosciadium lundense P.J.D.Winter2008
Peucedanum lynesii C.Norman1936Afrosciadium lynesii P.J.D.Winter2008
Peucedanum magalismontanum Sond.1862Afrosciadium magalismontanum P.J.D.Winter2008
Peucedanum schlechteri Engl.
Peucedanum schlechterianum H.Wolff
Peucedanum natalense Engl.1921Afrosciadium natalense P.J.D.Winter2008
Peucedanum nyassicum H.Wolff1912Afrosciadium nyassicum P.J.D.Winter2008
Peucedanum doctoris C.Norman
Peucedanum monticola C.Norman
Peucedanum silaus L.1753Silaum silaus Schinz & Thell.1915-
Peucedanum platycarpum Sond.1862Afrosciadium platycarpum P.J.D.Winter2008
Peucedanum rhodesicum Cannon1976Afrosciadium rhodesicum P.J.D.Winter2008
Peucedanum trisectum C.C.Towns.1976Afrosciadium trisectum P.J.D.Winter2008

Distribution

Spanning from Madeira to the Hawaiian islands, Peucedanum's expansive geographical range has necessitated reclassification of African Peucedanoid species based on nuanced taxonomy incorporating genetic, morphological, habit, and seasonality considerations.

Medicinal potential

Peucedanum's medicinal significance, especially in treating antimicrobial-resistant infections, underscores the need for accurate taxonomy. Species like Peucedanum graveolens, Peucedanum japonicum, and Peucedanum ostruthium exhibit antimicrobial properties, suggesting potential as alternative treatments as a compliment to antibiotics in combating antibiotic-resistant pathogens.