Keysseria

Keysseria
Keysseria helenae
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Asteroideae
Tribe:	Astereae
Subtribe:	Lagenophorinae
Genus:	Keysseria Lauterb.
Type species
Keysseria papuana [1] Lauterb. (1914)
Species [2]
11; see text
Synonyms [2]
HecatactisF.Muell. ex Mattf. (1929), nom. superfl.

Keysseria (island-daisy) ^[3] is a genus of flowering plants in the family Asteraceae. ^{[1] [4]} It includes 11 species, all of which are native to New Guinea with one species ( Keysseria gibbisae ) also native to northern Borneo. ^[2]

Species

11 species are accepted. ^[2]

• Keysseria bellidiformis (F.Muell.) Mattf. – montane New Guinea
• Keysseria extensa J.Kost. – montane New Guinea
• Keysseria fasciculata J.Kost. – montane New Guinea
• Keysseria gibbsiae (Merr.) Cabrera ex Steenis – northern Borneo and New Guinea
• Keysseria papuana Lauterb. – montane New Guinea
• Keysseria pinguiculiformis J.Kost. – montane New Guinea
• Keysseria radicans (F.Muell.) Mattf. – montane New Guinea
• Keysseria rosulans J.Kost. – montane New Guinea
• Keysseria tomentella Mattf. – montane New Guinea
• Keysseria trachyphylla (Mattf.) Mattf. – New Guinea
• Keysseria wollastonii (S.Moore) Mattf. – montane New Guinea

Formerly placed here

• Helodeaster erici (C.N.Forbes) G.L.Nesom (as Keysseria erici(C.N.Forbes) Cabrera) ^[5]
• Helodeaster helenae (C.N.Forbes & Lydgate) G.L.Nesom as (Keysseria helenae(C.N.Forbes & Lydgate) Cabrera) ^{[5] [6]}
• Helodeaster maviensis (H.Mann) G.L.Nesom (as Keysseria maviensis(H.Mann) Cabrera) ^[5]
• Pytinicarpa pickeringii (A.Gray) G.L.Nesom (as Keysseria pickeringii(A.Gray) Cabrera) ^[7]

References

1. Lauterbach, Karl Adolf Georg. 1914. Repertorium Specierum Novarum Regni Vegetabilis. Centralblatt für Sammlung und Veroffentlichung von Einzeldiagnosen neuer Pflanzen deescriptions in Latin, commentary in German
2. Keysseria Lauterb. Plants of the World Online . Retrieved 19 May 2024.
3. NRCS. "Keysseria". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 29 May 2015.
4. Tropicos, Keysseria Lauterbach
5. Helodeaster G.L.Nesom. Plants of the World Online . Retrieved 19 May 2024.
6. Endangered Species of Kauai
7. Pytinicarpa pickeringii (A.Gray) G.L.Nesom. Plants of the World Online . Retrieved 19 May 2024.