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Enydra Lour., Fl. Conchinch. : 510 (1790).

Enhydra DC., Prodr. 5: 636 (1836), orth. var.

Phyllimena Bl. ex DC., Prodr. 5: 636 (1836), nom. nud. pro syn.

Meyera Schreb., Gen. : 570 (1791), non Adans. (1763). Type: not designated.

Sobreyra Ruiz & Pav., Prodr. : 109 (1794). Type: not designated. Lectotype: Sobreyra sessilifolia Ruiz & Pav. = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Sobreya Pers., Syn. 2: 473 (1807), orth. var.

Cryphiospermum, P. Beauv., Fl. Oware 2: 24, t. 74 (1810). Cryphiospermum repens P. Beauv. = Enydra fluctuans Lour.

Tetraotis Reinw., Syll. Pl. Nov. 2: 8 (1825)[1826]. Type: Tetraotis paludosa Reinw. = Enydra fluctuans Lour.

Wahlenbergia Schumach., Beskr. Guin. Pl. : 387 (1827), non Schrad. ex Roth., nom. cons. (1827). Type: Wahlenbergia globularis Schumach. = Enydra radicans (Willd.) Lack

Hingtsha Roxb., Fl. Indica, ed. 2, 3: 448 (1832). Type: Hingtsha repens Roxb. = Enydra fluctuans Lour.

Type: Enydra fluctuans Lour.

References

Lack, H. W. (1980). The genus Enydra (Asteraceae, Heliantheae) in West Tropical Africa. Willdenowia 10: 312.

Lima, L. F. P., Schneider, A. A. & N. I. Matzenbacher. (2006). Nota sobrea a ocorrencia de Enydra sessilis (Sw.) DC. (Asteraceae Heliantheae) para o estado do Rio Grande do Sul, Brazil. Pesquisas 57: 153ꖖ155.

Robinson, H. (2006). Enydra. In: G. Harling & L. Andersson (eds), Flora of Ecuador, No. 77(1): 190(6). Compositae-Heliantheae, Part 1: Introduction, genera AL. Botanical Institute, Gteborg University, G teborg & Section for Botany, Riksmuseum, Stockholm. pp. 51154.

Note: Robinson (2006) included two species in his account for Ecuador. It is likely that the same two occur in Bolivia but presently E. fluctuans is the only one recorded but E. sessilifolia is added to this list to account for the two. The synonymy of both probably needs closer examination. It is clear that a third species is present in Central and South America, E. sessilis (Sw.) DC., presently recorded from the Caribbean and southern Brazil. How variable each of these is has not yet been ascertained. Many references to the genus containing c. 10 species appear to be somewhat erroneous. It is highly likely that there are fewer than five species! It is quite clear, even from Gardners comments (Gardner 1848: 409-410), that E. anagallis Gardner belongs to the entity known as E. fluctuans, and essentially differs only in the hispid stems; similar plants can be found in Asia.

Enydra anagallis Gardner, London J. Bot. 1: 409 (2848) = Enydra fluctuans Lour.

Enydra caesulioides Cass., Bull. Sci. Soc. Philom. Paris 1817: 196 (1817) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra fluctuans Lour., Fl. Cochinch. : 511 (1790). Type: Habitat spontanea in paludibus Cochinchinae. Holotype: BM.

Cryphiospermum repens P. Beauv., Fl. Oware 2: 24 (1810). Type: Cette plante crot sur les bords du fleuve Formose: cest une de celles dont les naturels du pays font usage pour la gu rison des plaies. Holotype: ?G. Note: Robinson (2006: 152) indicated that the holotype was in BM where ther emay well be a duplicate.

Meyera fluctuans (Lour.) Spreng., Syst. Veg., ed. 16, 3: 602 (1826).

Meyera guineensis Spreng., Syst. Veg. 2: 602 (1826), nom. illegit. (citing both Caesulia radicans Willd. and Cryphiospermum repens P. Beauv.)

Tatraotis paludosa Reinw. in Bl., Bijdr. 15de Stuk. : 892 (1826). Type: Crescit: in paludosis prope Bataviam. Type material may well be in L.

Tetraotis longifolia Reinw. in Bl., Bijdr. 15de Stuk. : 892 (1826). Type: Crescit: cum priori., q.v. T. paludosa. Type material may well be in L.

Enydra [sub. Enhydra] longifolia (Reinw.) DC., Prodr. 5: 637 (1836).

Enydra [sub Enhydra] paludosa (Reinw.) DC., Prodr. 5: 637 (1836).

Hingtsha repens Roxb., Fl. Indica, ed. 2, 3: 448 (1832). Type: Beng.[al] Hingtsha./A native of Bengal, delighting in a moist soil, and often extending itself considerably over the surface of adjoining pools of water. LOcation of type material unknown. Note: Robinson (2006: 152) queried whether there may well be type material in K. I have been unable to locate any amongst the appropriate regional material, although clearly that name appeared in Wallichs Numerical List based on Roxburghs mss name.

Enydra [sub Enhydra] heloncha DC., Prodr. 5: 637 (1836). Types: K in aquosis Indiae or. in prov. Silhet (Wall.[ich]), ad Dumdumma et Golpara (Ham.). Meyera Heloncha Wall.! cat. n. 3195. comp. 305. Hingcha repens Roxb. cat. calc. 62. ... (v.s.). Syntypes: G-DC, K, K-W. Note: There are three specimens numbered 305 in G-DC and one other numbered 3195.

Enydra anagallis Gardner, London J. Bot. 1: 409 (2848). Type: [Brazil:] [Gardner] 5522. Hab. In ditches at the Laranjeiras, near Rio de Janeiro. Jan. 1841. Types: BM, K (x 2),

Enydra woollsii F.Muell., Fragm. 3: 139 (1863). Type: [Australia:] In paludibus prope Manly Beach portus Jacksonii. W. Wools. Holotype: MEL; isotype: K.

Argentina, Bolivia (Ben), Brazil, Colombia, Ecuador, Mexico, Paraguay, Peru. Philippines, Inodchina and tropical Africa.

Ben , Cercado, 10.10.1999, Wood 15052;

Enydra [sub Enhydra] heloncha DC., Prodr. 5: 637 (1836) = Enydra fluctuans Lour.

Enydra [sub Enhydra] integrifolia Gardner, London J. Bot. 7: 410 (1848) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra [sub. Enhydra] longifolia (Reinw.) DC., Prodr. 5: 637 (1836) = Enydra fluctuans Lour.

Enydra maritima (Kunth) DC., Prodr. 5: 637 (1836) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra oblonga (Ruiz & Pav.) DC., Prodr. 5: 637 (1836) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra [sub Enhydra] paludosa (Reinw.) DC., Prodr. 5: 637 (1836) = Enydra fluctuans Lour.

Enydra radicans (Willd.) Lack, Willdenowia 10: 6 (1980) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra [sub Enhydra] rivularis Gardner, London J. Bot. 7: 410 (1848) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra sessilifolia (Ruiz & Pav.) Cabrera, Bol. Soc. Argent. Bot. 8(34): 206 (1960).

Sobreyra sessilifolia Ruiz & Pav., Syst. Veg. Fl. Peruv. Chil. : 197 (1798). Type: Habitat in Peruviae stagnatis, et copios crescit in circuitu Limae, Lurigancho, Miraflores, Surco, Magdalena, Lurin, Arnedo, Laral et Huaura.

Sobreyra oblonga Ruiz & Pav., Syst. Veg. Fl. Peruv. Chil. : 197 (1798). Type: Habitat in Peruvia cum praecedenti.

Caesulia radicans Willd., Sp. Pl. 3: 1797 (1803). Type: Habitat in Guinea. K (v.s.). Holotype: B-W (15275).

Enydra caesulioides Cass., Bull. Sci. Soc. Philom. Paris 1817: 196 (1817). Type: Jai observ, dans les herbiers de MM. de Jussieu et Desfontaines, une plante de la famille des synanth res, que jai cru pouvoir nommer Enydra caesulioides, et qui m钒a offert les caractres suivans. [Dict. Sci. Nat. 14: 554 蒖 Cette plante habite la Guine: ell a t recueillie sur les bords du fleuve Formose, par M. Palisot de Beauvois, qui rapport que les habitans du pays lemploient la agurison des plaies. Nous avons tudi ses caract res dans les herbiers de MM. de Jussieu et Desfontaines, o elle toit innomme, et dans celui de M. de Beauvois, o elle portoit le nom de cryphiospermum repens.] Syntypes: P-JU, P-Desf.

Meyera maritima Kunth in Humb., Bonpl. & Kunth, Nov. Gen. Sp. Pl. 4 (ed. folio): 211 (1818). Type: Crescit in litore Oceani Pacifici, prope El Callao de Lima. K Floret Februario. Holotype: P-Bonpl.; isotype: B-W [in Limae maritim.].

Wahlenbergia globularis Schum. & Thonn. in Schum., Beskrivelse : 387 (1827), nom. illegit. superfl. (based on Caesulia radicans Willd.)

Wahlenbergia glomerata Schum. ex DC., 5: 497 (1836), sphalm., as nom. nud. pro syn. (sub. Cryphiospermum repens P. Beauv.)

Enydra sobreyra DC., Prodr. 5: 637 (1836), nom. illegit. superfl. (based on Sobreyra sessilifolia Ruiz & Pav.)

Enydra oblonga (Ruiz & Pav.) DC., Prodr. 5: 637 (1836).

Enydra maritima (Kunth) DC., Prodr. 5: 637 (1836).

Enydra [sub Enhydra] subcuneata DC., Prodr. 5: 637 (1836). Types: K in fossis circa Rio-Janeiro speciatim ad viam Brocco leger. cl. Lund [147] et Gaudichaud [638?]. An fort E. maritima Less. in linnaea 1831. p. 159 cl. Chamisso ad fretum Santae-Catharinae lecta, hc ex loco natali et foliis oblongo-obovatis referenda? (v.s.). Note: There are two collections of Lund 147 in G-DC, along with one of the Gaudichaud collection. The former is actually marked In fossa ad viam Brocca prope Rio Jan. in Junii 1833., the latter simply ᒑRio de Janeiro.

Enydra [sub Enhydra] rivularis Gardner, London J. Bot. 7: 410 (1848). Type: [Gardner] 1976. Hab. In slow running streams near Barra do Jardin, Province of Ceara. Dec. 1838.

Enydra [sub Enhydra] integrifolia Gardner, London J. Bot. 7: 410 (1848). Type: [Gardner] 1053. Hab. In saline marshes in the Island of Itamarica, Province of Pernambuco. Dec. 1837.

Enydra radicans (Willd.) Lack, Willdenowia 10: 6 (1980).

Bolivia (?), Brazil, Ecuador (incl. Galapagos), Peru, Venezuela. East and West Africa.

Enydra sobreyra DC., Prodr. 5: 637 (1836), nom. illegit. superfl. (based on Sobreyra sessilifolia Ruiz & Pav.) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra [sub Enhydra] subcuneata DC., Prodr. 5: 637 (1836) = Enydra sessilifolia (Ruiz & Pav.) Cabrera

Enydra woollsii F.Muell., Fragm. 3: 139 (1863) = Enydra fluctuans Lour.