'' Pittocaulon'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

Mexican Mexican may refer to: Mexico and its culture *Being related to, from, or connected to the country of Mexico, in North America ** People *** Mexicans, inhabitants of the country Mexico and their descendants *** Mexica, ancient indigenous people ...

shrubs and small trees in the tribe

Senecioneae Senecioneae is the largest tribe of the Asteraceae, or the sunflower family, comprising over 150 genera and over 3,500 species. Almost one-third of the species in this tribe are placed in the genus ''Senecio''. Its members exhibit probably the w ...

within the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

. ''Pittocaulon'' is native to the dry parts of central and southern

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. In addition to the strange appearance of these plants, ''Pittocaulon'' is of interest due to the remarkable range of habitats in which the species occur, from dry highland scrub well above 3000 meters, to tropical dry forest in hot country as low as 300 meters and on rocks, often in very steep situations. ''Pittocaulon'' species are conspicuous when they flower at the end of the dry season are popularly called "palo loco" or "crazy tree", because they flower at the very end of the dry season when most other plants are suffering the effects of drought. ; SpeciesFlann, C (ed) 2009+ Global Compositae Checklist
/ref>Davidse, G., M. Sousa-Peña, S. Knapp & F. Chiang Cabrera. 2015. In G. Davidse, M. Sousa Sánchez, S. Knapp & F. Chiang Cabrera (eds.) Flora Mesoamericana. Universidad Nacional Autónoma de México, México D.F.. * ''

Pittocaulon bombycophole '' Pittocaulon'' is a genus of Mexican shrubs and small trees in the tribe Senecioneae within the family Asteraceae. ''Pittocaulon'' is native to the dry parts of central and southern Mexico. In addition to the strange appearance of these plants, ...

'' (Bullock) H.Rob. & Brettell -

Guerrero Guerrero is one of the 32 states that comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo and its largest city is Acapulcocopied from article, GuerreroAs of 2020, Guerrero the pop ...

México State The State of Mexico ( es, Estado de México; ), officially just Mexico ( es, México), is one of the 32 federal entities of the United Mexican States. Commonly known as Edomex (from ) to distinguish it from the name of the whole country, it is ...

* ''

Pittocaulon filare '' Pittocaulon'' is a genus of Mexican shrubs and small trees in the tribe Senecioneae within the family Asteraceae. ''Pittocaulon'' is native to the dry parts of central and southern Mexico. In addition to the strange appearance of these plants, ...

'' (McVaugh) H.Rob. & Brettell -

Colima Colima (), officially the Free and Sovereign State of Colima ( es, Estado Libre y Soberano de Colima), is one of the 31 states that make up the Political divisions of Mexico, 32 Federal Entities of Mexico. It shares its name with its capital and ...

* '' Pittocaulon hintonii'' H.Rob. & Brettell -

Michoacán Michoacán, formally Michoacán de Ocampo (; Purépecha: ), officially the Free and Sovereign State of Michoacán de Ocampo ( es, Estado Libre y Soberano de Michoacán de Ocampo), is one of the 32 states which comprise the Federal Entities of ...

* '' Pittocaulon velatum'' (Greenm.) H.Rob. & Brettell -

Nayarit Nayarit (), officially the Free and Sovereign State of Nayarit ( es, Estado Libre y Soberano de Nayarit), is one of the 31 states that, along with Mexico City, comprise the Federal Entities of Mexico. It is divided in 20 municipalities and its ...

Oaxaca Oaxaca ( , also , , from nci, Huāxyacac ), officially the Free and Sovereign State of Oaxaca ( es, Estado Libre y Soberano de Oaxaca), is one of the 32 states that compose the political divisions of Mexico, Federative Entities of Mexico. It is ...

Zacatecas , image_map = Zacatecas in Mexico (location map scheme).svg , map_caption = State of Zacatecas within Mexico , coordinates = , coor_pinpoint = , coordinates_footnotes = , subdivision_type ...

; formerly included see ''

Roldana ''Roldana'' also known as groundsel is a genus of large herbs or subshrubs from the tribe groundsel tribe within the sunflower family. Most if not all of its members used to be members of a related genus, ''Senecio''. The species which are nat ...

Senecio ''Senecio'' is a genus of flowering plants in the daisy family (Asteraceae) that includes ragworts and groundsels. Variously circumscribed taxonomically, the genus ''Senecio'' is one of the largest genera of flowering plants. Description Morp ...

'' * ''

Pittocaulon calzadanum '' Pittocaulon'' is a genus of Mexican shrubs and small trees in the tribe Senecioneae within the family Asteraceae. ''Pittocaulon'' is native to the dry parts of central and southern Mexico. In addition to the strange appearance of these plants, ...

'' B.L.Turner - '' Roldana eriophylla'' (Greenm.) H.Rob. & Brettell * '' Pittocaulon praecox'' (Cav.) H.Rob. & Brettell - '' Senecio praecox'' (Cav.) DC.

References

External links

Senecioneae Endemic flora of Mexico Asteraceae genera {{Senecioneae-stub