Fagopyrum sect. Urophyllum Bo Li & M.L.Zhou, 2023

Min, Daozhang, Shi, Wei, Dehshiri, Mohammad Mehdi, Gou, Yuting, Li, Wei, Zhang, Kaixuan, Zhou, Meiliang & Li, Bo, 2023, The molecular phylogenetic position of Harpagocarpus (Polygonaceae) sheds new light on the infrageneric classification of Fagopyrum, PhytoKeys 220, pp. 109-126 : 109

Fagopyrum sect. Urophyllum Bo Li & M.L.Zhou sect. nov.

Type.

Fagopyrum urophyllum (Bureau & Franch.) H.Gross (≡ Polygonum urophyllum Bureau & Franch.).

Diagnosis.

This new section is characterised by having raceme-like, spicate, capitate or paniculate inflorescences with mostly sparse or rarely dense flowers and achenes completely enclosed in the persistent perianth.

Species.

F. callianthum Ohnishi, F. capillatum Ohnishi, F. caudatum (Sam.) A.J.Li, F. crispatifolium J.L.Liu, F. densovillosum J.L.Liu, F. gilesii (Hemsl.) Hedberg, F. gracilipedoides Ohsako & Ohnishi, F. gracilipes (Hemsl.) Dammer, F. jinshaense Ohsako & Ohnishi, F. leptopodum (Diels) Hedberg var. leptopodum , F. leptopodum var. grossii ( Lévl.) Lauener & D.K.Ferguson, F. lineare (Sam.) Haraldson, F. longistylum M.L.Zhou & Y.Tang, F. longzhoushanense J.R.Shao, F. luojishanense J.R.Shao, F. macrocarpum Ohsako & Ohnishi, F. pleioramosum Ohnishi, F. pugense Y.Tang, F. qiangcai D.Q.Bai, F. rubifolium Ohsako & Ohnishi, F. statice H.Gross, F. urophyllum (Bureau & Franch.) H.Gross, F. wenchuanense J.R.Shao.

Distribution.

Guizhou, Sichuan and Yunnan Provinces of southwest China.