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Pueraria

Genus of legumes From Wikipedia, the free encyclopedia

Pueraria
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Pueraria is a genus of 15–20[2] species of legumes native to south, east, and southeast Asia and to New Guinea and northern Australia.[1] The best known member is kudzu, also called Japanese arrowroot.[3][4] The genus is named after 19th century Swiss botanist Marc Nicolas Puerari.

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Plants in the genus are lianas, shrubs, or climbing herbs, usually with large tuberous roots. Typical habitats include seasonally-dry tropical and subtropical forest, rain forest, forest margins, and scrub vegetation, often on limestone outcrops and in rocky areas.[1]

The genus, as traditionally circumscribed, is polyphyletic, with different species being more related to other species in the tribe Phaseoleae.[5] Current research, reproduced below, splits the genus into five clades, one of which defines the current monophyletic genus.[6]

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Species

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The genus Pueraria is highly polyphyletic; the below list is divided by clade following the result of A.N.Egan & B.Pan (2016).[6] In 2015, the authors validly published their proposal in Phytotaxa.[7] As of February 2022, Kew Plants of the World Online database accepts these names.[1]

Pueraria sensu stricto

Pueraria sensu stricto includes the vast majority of species in the genus. They fall into a single clade sister to or containing Nogra.[6]

  • P. alopecuroides Craib
  • P. calycina Franch.
  • P. candollei Benth.
  • P. edulis Pamp.[8]
  • P. imbricata Maesen
  • P. lacei Craib
  • P. mirifica Airy Shaw & Suvat. (= P. candollei var. mirifica in Egan)
  • P. montana (Lour.) Merr.[8][9] – US invasive population comes from a hybrid of more than one of the subspecies.[10]
    • Pueraria montana var. chinensis (Ohwi) Sanjappa & Pradeep (= P. chinensis, although ILDS and the plant list instead consider P. thomsonii the synonym)
    • Pueraria montana var. lobata (Willd.) Sanjappa & Pradeep (= P. lobata)
    • Pueraria montana var. thomsonii (Benth.) Wiersema ex D.B. Ward (= P. thomsonii, missing in ILDS)
  • P. pulcherrima (Koord.) Koord.-Schum.
  • P. sikkimensis Prain
  • P. tuberosa (Roxb.ex Willd.) DC. – type species[2]

Provisionally retained

The following are not included in the 2016 study due to insufficient material for sequencing. They are accepted by POWO.[6][1]

  • P. bella Prain: conflicting proposals assigning either to the main clade or to Neonotonia (morphology).
  • P. bouffordii H. Ohashi: presumably in the main clade (morphology).
  • P. grandiflora Bo Pan & Bing Liu: presumably in the main clade (morphology).
  • P. xyzhuii H. Ohashi & Iokawa: presumably in the main clade (morphology).

The following are not included in Egan et al. 2016 for other reasons, but are accepted by Kew POWO:[1]

  • P. garhwalensis L.R.Dangwal & D.S.Rawat: excluded per van der Maesen (2002)
  • P. neocaledonica Harms: not mentioned

Former members

The rest of the genus fall into four clades, sorted by distance from the main clade:[6]

The following names are not accepted even before Egan 2016 but have seen valid publication:

  • P. omeiensis Wang et Tang – P. montana:[13] unaccepted name after Mount Omei.[8]
  • P. stracheyi Baker → Apios carnea (Wall.) Benth. ex Baker.
  • P. maclurei (F. P. Metcalf) F. J. Herm. → Sinodolichos lagopus – still accepted by WFO
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References

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