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:

Peucedanum adae Woronow
Peucedanum akaliniae Akpulat, Gürdal & Tuncay
Peucedanum alpinum B.L.Burtt & P.H.Davis
Peucedanum alsaticum L.
Peucedanum ampliatum K.T.Fu
Peucedanum anamallayense C.B.Clarke
Peucedanum austriacum W.D.J.Koch
Peucedanum autumnale Bernardi
Peucedanum belutschistanicum H.Wolff
Peucedanum cervaria Lapeyr.
Peucedanum cervariifolium C.A.Mey.
Peucedanum ceylanicum Gardner
Peucedanum chujaense K.Kim, S.H.Oh, Chan S.Kim & C.W.Park
Peucedanum cordatum Balf.f.
Peucedanum coreanum Nakai
Peucedanum coriaceum Rchb.
Peucedanum dehradunense Babu
Peucedanum dhana Buch.-Ham. ex C.B.Clarke
Peucedanum dielsianum Fedde ex H.Wolff
Peucedanum dissolutum H.Wolff
Peucedanum gabrielae R.Frey
Peucedanum gallicum Latourr.
Peucedanum guangxiense R.H.Shan & M.L.Sheh
Peucedanum guvenianum Yıldırım & H.Duman
Peucedanum harry-smithii Fedde ex H.Wolff
Peucedanum henryi H.Wolff
Peucedanum hispanicum Endl.
Peucedanum huangshanense Lu Q.Huang, H.S.Peng & S.S.Chu
Peucedanum hyrcanicum H.Gholiz., Naqinezhad & Mozaff.
Peucedanum insolens Kitag.
Peucedanum japonicum Thunb.
Peucedanum lancifolium Lange
Peucedanum latifolium DC.
Peucedanum longshengense R.H.Shan & M.L.Sheh
Peucedanum lowei Menezes
Peucedanum mashanense R.H.Shan & M.L.Sheh
Peucedanum medicum Dunn
Peucedanum miroense K.Kim, H.J.Suh & J.H.Song
Peucedanum morisonii Besser ex Schult.
Peucedanum muliense M.L.Sheh
Peucedanum multivittatum Maxim.
Peucedanum nagpurense Prain
Peucedanum nanum R.H.Shan & M.L.Sheh
Peucedanum nepalense P.K.Mukh.
Peucedanum officinale L.
Peucedanum oreoselinum Moench
Peucedanum ostruthium W.D.J.Koch
Peucedanum ozhatayiorum Akpulat & Akalın
Peucedanum palustre Moench
Peucedanum parkinsonii Fedde ex H.Wolff
Peucedanum pimenovii Mozaff.
Peucedanum pradeepianum K.M.P.Kumar, Hareesh & Balach.
Peucedanum puberulum Turcz. ex Schischk.
Peucedanum rablense W.D.J.Koch
Peucedanum rochelianum Heuff.
Peucedanum ruthenicum M.Bieb.
Peucedanum sandwicense Hillebr.
Peucedanum shanianum F.L.Chen & Y.F.Deng
Peucedanum siamicum Craib
Peucedanum songpanense R.H.Shan & F.T.Pu
Peucedanum tauricum M.Bieb.
Peucedanum tongkangense K.Kim, H.J.Suh & J.H.Song
Peucedanum vaginatum Ledeb.
Peucedanum vasudevanii
Peucedanum venetum W.D.J.Koch
Peucedanum verticillare W.D.J.Koch ex DC.
Peucedanum violaceum R.H.Shan & M.L.Sheh
Peucedanum vogelianum Emb. & Maire
Peucedanum vourinense Hartvig
Peucedanum wawrae S.W.Su ex M.L.Sheh
Peucedanum winkleri H.Wolff
Peucedanum wulongense R.H.Shan & M.L.Sheh
Peucedanum yunnanense H.Wolff
Peucedanum zedelmeierianum Manden.

Former species

Species formerly classified as Peucedanum include:

Former accepted name	Year assigned	Currently accepted name	Year reclassified	Additional synonyms in genus
Peucedanum abyssinicum Vatke	1876	Afrosciadium abyssinicum P.J.D.Winter	2008	Peucedanum silaifolium Hiern
Peucedanum afrum Meisn.	1987	Afrosciadium afrum P.J.D.Winter	2008	Peucedanum connatum E.Mey. ex Sond. Peucedanum meisnerianum MacOwan ex Engl.
Peucedanum angustisectum Norman		Lefebvrea angustisecta Engl.
Peucedanum articulatum C.C.Towns.	1987	Afrosciadium articulatum P.J.D.Winter	2008
Peucedanum camerunense Jacq.-Fél.		Lefebvrea angustisecta Engl.		-
Peucedanum dispersum C.C.Towns.	1987	Afrosciadium dispersum P.J.D.Winter	2008
Peucedanum dissectum Dawe, nom. illeg.	1906	Afrosciadium kerstenii P.J.D.Winter	2008	-
Peucedanum englerianum H.Wolff	1927	Afrosciadium englerianum P.J.D.Winter	2008
Peucedanum eylesii C.Norman	1932	Afrosciadium eylesii P.J.D.Winter	2008
Peucedanum falcaria Turcz.	1832	Haloselinum falcaria Pimenov	2012	Peucedanum pricei N.D.Simpson Peucedanum salsugineum Krylov
Peucedanum friesiorum H.Wolff	1927	Afrosciadium friesiorum P.J.D.Winter	2008	Peucedanum aberderense H.Wolff
Peucedanum galbanum Magee	1898	Notobubon galbanum Drude	2008	Peucedanum galbanum var. dentatum Kuntze Peucedanum galbanum var. incisodentatum Kuntze Peucedanum rhombifolium Stokes
Peucedanum gossweileri C.Norman	1922	Afrosciadium gossweileri P.J.D.Winter	2008
Peucedanum harmsianum H.Wolff	1927	Afrosciadium harmsianum P.J.D.Winter	2008	Peucedanum canaliculatum Verdc.
Peucedanum kerstenii Engl.	1894	Afrosciadium kerstenii P.J.D.Winter	2008	Peucedanum dissectum Dawe Peucedanum mildbraedii H.Wolff Peucedanum wrightii M.Hiroe
Peucedanum kupense I.Darbysh. & Cheek		Lefebvrea angustisecta Engl.		-
Peucedanum ledebourielloides K.T.Fu	1981	Pseudopeucedanum ledebourielloides C.K.Liu & X.J.He	2023
Peucedanum lundense Cannon	1970	Afrosciadium lundense P.J.D.Winter	2008
Peucedanum lynesii C.Norman	1936	Afrosciadium lynesii P.J.D.Winter	2008
Peucedanum magalismontanum Sond.	1862	Afrosciadium magalismontanum P.J.D.Winter	2008	Peucedanum schlechteri Engl. Peucedanum schlechterianum H.Wolff
Peucedanum natalense Engl.	1921	Afrosciadium natalense P.J.D.Winter	2008
Peucedanum nyassicum H.Wolff	1912	Afrosciadium nyassicum P.J.D.Winter	2008	Peucedanum doctoris C.Norman Peucedanum monticola C.Norman
Peucedanum silaus L.	1753	Silaum silaus Schinz & Thell.	1915	-
Peucedanum platycarpum Sond.	1862	Afrosciadium platycarpum P.J.D.Winter	2008
Peucedanum rhodesicum Cannon	1976	Afrosciadium rhodesicum P.J.D.Winter	2008
Peucedanum trisectum C.C.Towns.	1976	Afrosciadium trisectum P.J.D.Winter	2008

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.