Ptilostemon

Ptilostemon is a genus of thistle in the tribe Cardueae within the family Asteraceae.^[1][2][3] It includes 15 species native to the Mediterranean Basin and the Caucasus.^[4]

Ptilostemon
Ptilostemon diacanthus
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Carduoideae
Tribe:	Cardueae
Subtribe:	Carduinae
Genus:	Ptilostemon Cass.
Synonyms
List Lamyra (Cass.) Cass. Chamaepeuce DC. Koechlea Endl. Platyraphium Cass.

Species

The following species are recognised in the genus Ptilostemon:^[4][5]

• Ptilostemon abylensis (Maire) Greuter – Morocco
• Ptilostemon afer (Jacq.) Greuter – Turkey, Balkan Peninsula
• Ptilostemon casabonae (L.) Greuter – France, Italy
• Ptilostemon chamaepeuce (L.) Less. – eastern Mediterranean^[6]
• Ptilostemon diacanthus (Labill.) Greuter – Turkey, Syria, Lebanon
• Ptilostemon dyricola (Maire) Greuter – Morocco
• Ptilostemon echinocephalus (Willd.) Greuter – Crimea, Turkey, Republic of Georgia
• Ptilostemon gnaphaloides (Cirillo) Soják – France, Italy, Greece, Turkey, Libya
• Ptilostemon × grandei (Petr.) Greuter (P. niveus × P. strictus) – Italy
• Ptilostemon greuteri Raimondo & Domina – Sicily^[7]
• Ptilostemon hispanicus (Lam.) Greuter – Spain
• Ptilostemon leptophyllus (Pau & Font Quer) Greuter – Morocco
• Ptilostemon niveus (C.Presl) Greuter – Italy
• Ptilostemon × pabotii Greuter (P. chamaepeuce var camptolepis × P. diacanthus subsp. turcicus) – western Syria
• Ptilostemon × parisiensis Greuter (P. afer × P. chamaepeuce var. camptolepis) – Syria
• Ptilostemon rhiphaeus (Pau & Font Quer) Greuter – Morocco, Algeria
• Ptilostemon stellatus (L.) Greuter – France, Italy, Greece, Albania, Croatia, Montenegro
• Ptilostemon strictus (Ten.) Greuter – Italy, Greece, Balkan Peninsula
• Ptilostemon × tauricola (Boiss. & Balansa) Greuter – Turkey