Ruehssia

Ruehssia
	Ruehssia woodburyana, Puerto Rico
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Gentianales
Family:	Apocynaceae
Subfamily:	Asclepiadoideae
Tribe:	Marsdenieae
Genus:	Ruehssia; H.Karst.
Synonyms
	Baxtera Rchb. ; Ecliptostelma Brandegee ; Elcomarhiza Barb.Rodr. ; Harrisonia Hook. ; Loniceroides Bullock ; Pseudomarsdenia Baill. ; Sphinctostoma Benth. ; Verlotia E.Fourn. ;

Ruehssia is a genus of plants in the family Apocynaceae.[1] It is also in the Asclepiadoideae subfamily and Marsdenieae tribe.[2][3]

Its native range is tropical and subtropical South America. It is found in Argentina (north-eastern and north-western), Belize, Bolivia, Brazil (north, north-eastern, south, south-eastern and west-central), Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, the Leeward Islands, Mexico (north-eastern, south-eastern and south-western), Nicaragua, Panamá, Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay, Venezuela and the Windward Islands.[1]

The genus name of Ruehssia is in honour of Carl Andreas Rühsz (1805–1880), the German consul in Puerto Cabello, Venezuela. He was a supporter of art and science.[4] It was first described and published in Verh. Vereins Beförd. Gartenbaues Königl. Preuss. Staaten Vol.19 on page 304 in 1849.[1]

Known species

According to Kew;[1]

Ruehssia altissima (Jacq.) F.Esp.Santo & Rapini
Ruehssia amorimii (Morillo) F.Esp.Santo & Rapini
Ruehssia amylacea (Barb.Rodr.) F.Esp.Santo & Rapini
Ruehssia avacanoeira (F.Esp.Santo) F.Esp.Santo & Rapini
Ruehssia bergii (Morillo) F.Esp.Santo & Rapini
Ruehssia brasiliensis (Decne.) F.Esp.Santo & Rapini
Ruehssia breviramosa (Rapini & Fontella) F.Esp.Santo & Rapini
Ruehssia caatingae (Morillo) F.Esp.Santo & Rapini
Ruehssia calcaria (F.Esp.Santo) F.Esp.Santo & Rapini
Ruehssia carvalhoi (Morillo & Carnevali) F.Esp.Santo & Rapini
Ruehssia clausa (R.Br.) Liede, S.Reuss & Meve
Ruehssia cubensis (Turcz.) Liede, S.Reuss & Meve
Ruehssia dorothyae (Fontella & Morillo) F.Esp.Santo & Rapini
Ruehssia fontellana (Morillo & Carnevali) F.Esp.Santo & Rapini
Ruehssia fusca (C.Wright ex Griseb.) Liede, S.Reuss & Meve
Ruehssia hatschbachii (Morillo) F.Esp.Santo & Rapini
Ruehssia heringeri (Fontella) F.Esp.Santo & Rapini
Ruehssia hilariana (E.Fourn.) F.Esp.Santo & Rapini
Ruehssia lauretiana (Woodson) F.Esp.Santo & Rapini
Ruehssia laxiflora (Donn.Sm.) Gonz.-Martínez & Lozada-Pérez
Ruehssia lindenii S.Reuss, Manitz & Liede
Ruehssia linearis (Decne.) Liede, S.Reuss & Meve
Ruehssia longiflora (A.Rich.) Liede, S.Reuss & Meve
Ruehssia loniceroides (Hook.) F.Esp.Santo & Rapini
Ruehssia macrophylla (Humb. & Bonpl. ex Schult.) H.Karst.
Ruehssia malmeana (W.Rothe) F.Esp.Santo & Rapini
Ruehssia megalantha (Goyder & Morillo) F.Esp.Santo & Rapini
Ruehssia micrantha (Alain) Liede, S.Reuss & Meve
Ruehssia minutiflora (F.Esp.Santo) F.Esp.Santo & Rapini
Ruehssia montana (Malme) F.Esp.Santo & Rapini
Ruehssia nana (Rapini & Fontella) F.Esp.Santo & Rapini
Ruehssia neomanarae (Morillo) F.Esp.Santo & Rapini
Ruehssia otoniensis (Fontella & Morillo) F.Esp.Santo & Rapini
Ruehssia paganuccii (F.Esp.Santo & A.P.B.Santos) F.Esp.Santo & Rapini
Ruehssia paraibana (F.Esp.Santo & A.P.B.Santos) F.Esp.Santo & Rapini
Ruehssia phallica (F.Esp.Santo) F.Esp.Santo & Rapini
Ruehssia pickelii (Fontella & Morillo) F.Esp.Santo & Rapini
Ruehssia pinetorum (Standl. & L.O.Williams) Gonz.-Martínez & Lozada-Pérez
Ruehssia riparia (Morillo & Spellman) F.Esp.Santo & Rapini
Ruehssia rubrofusca (E.Fourn.) F.Esp.Santo & Rapini
Ruehssia rupestris (F.Esp.Santo) F.Esp.Santo & Rapini
Ruehssia saturejifolia (A.Rich.) Liede, S.Reuss & Meve
Ruehssia serpentina (F.Esp.Santo) F.Esp.Santo & Rapini
Ruehssia sessilifolia (E.Fourn.) F.Esp.Santo & Rapini
Ruehssia sprucei (W.Rothe) F.Esp.Santo & Rapini
Ruehssia suberosa (E.Fourn.) F.Esp.Santo & Rapini
Ruehssia sumiderensis Lozada-Pérez, Ram.-Mar. & Gonz.-Martínez
Ruehssia thomasii (Morillo) F.Esp.Santo & Rapini
Ruehssia trisegmentata (F.Esp.Santo & A.P.B.Santos) F.Esp.Santo & Rapini
Ruehssia ulei (Schltr. & W.Rothe) F.Esp.Santo & Rapini
Ruehssia umbellata (Griseb.) Liede, S.Reuss & Meve
Ruehssia vinciflora (Griseb.) Liede, S.Reuss & Meve
Ruehssia virgultorum (E.Fourn.) F.Esp.Santo & Rapini
Ruehssia weddellii (E.Fourn.) F.Esp.Santo & Rapini
Ruehssia yamanigueyensis Mangelsdorff
Ruehssia zehntneri (Fontella) F.Esp.Santo & Rapini

A recently published Puerto Rican endemic plant species, Ruehssia woodburyana (Acev.-Rodr.) Goyder has not yet been accepted by Kew, it is listed as Critically Endangered (CR), based on Criteria C2a(i)+D, according to the IUCN Red List.[5]

References

LIEDE-SCHUMANN, SIGRID; KELLER, HÉCTOR A. (17 November 2020). "New combinations in Ruehssia for the South American species of Marsdenia (Apocynaceae-Asclepiadoideae)". Phytotaxa. 471 (3): 283–289. doi:10.11646/phytotaxa.471.3.10. S2CID 228862969.
Espírito Santo, Fabio da Silva do; Rapini, Alessandro; Ribeiro, Patrícia Luz; Liede-Schumann, Sigrid; Goyder, David J.; Fontella-Pereira, Jorge (2019). "Phylogeny of the tribe Marsdenieae (Apocynaceae), reinstatement of Ruehssia and the taxonomic treatment of the genus in Brazil". Kew Bulletin. 74 (30).
Burkhardt, Lotte (2018). Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition [Index of Eponymic Plant Names – Extended Edition] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2018. ISBN 978-3-946292-26-5. S2CID 187926901. Retrieved 1 January 2021.
Bárrios, Sara; Sustache, José A.; Goyder, David; Hamilton, Martin A. (23 January 2020). "New island record and conservation status of Puerto Rican Bank endemic plant species, Ruehssia woodburyana (Acev.-Rodr.) Goyder, comb. nov., formally transferred from Marsdenia". Biodivers. Data J. 8: e47110. doi:10.3897/BDJ.8.e47110. PMC 6992692. PMID 32025187.

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[Liede-2] LIEDE-SCHUMANN, SIGRID; KELLER, HÉCTOR A. (17 November 2020). "New combinations in Ruehssia for the South American species of Marsdenia (Apocynaceae-Asclepiadoideae)". Phytotaxa. 471 (3): 283–289. doi:10.11646/phytotaxa.471.3.10. S2CID 228862969.

[Bulletin-3] Espírito Santo, Fabio da Silva do; Rapini, Alessandro; Ribeiro, Patrícia Luz; Liede-Schumann, Sigrid; Goyder, David J.; Fontella-Pereira, Jorge (2019). "Phylogeny of the tribe Marsdenieae (Apocynaceae), reinstatement of Ruehssia and the taxonomic treatment of the genus in Brazil". Kew Bulletin. 74 (30).

[4] Burkhardt, Lotte (2018). Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition [Index of Eponymic Plant Names – Extended Edition] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2018. ISBN 978-3-946292-26-5. S2CID 187926901. Retrieved 1 January 2021.

[5] Bárrios, Sara; Sustache, José A.; Goyder, David; Hamilton, Martin A. (23 January 2020). "New island record and conservation status of Puerto Rican Bank endemic plant species, Ruehssia woodburyana (Acev.-Rodr.) Goyder, comb. nov., formally transferred from Marsdenia". Biodivers. Data J. 8: e47110. doi:10.3897/BDJ.8.e47110. PMC 6992692. PMID 32025187.