Oligochaeta (plant)

Oligochaeta (plant)
Oligochaeta
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cynareae
Genus: Oligochaeta
(DC.) K. Koch
Species

About four

Oligochaeta is a genus of four species[1] of plants in the daisy family Asteraceae. It can be distinguished from other genera by its pollen,[2] and forms the Rhaponticum group of about 40 species along with Rhaponticum (25 species), Acroptilon (two species), Callicephalus (one species), Leuzea (one species), Myopordon (five species), and Ochrocephala.[1]

References

  1. ^ a b Hidalgo, O; Garcia-Jacas, N; Garnatje, T; Susanna, A (May 2006). "Phylogeny of Rhaponticum (Asteraceae, Cardueae–Centaureinae) and Related Genera Inferred from Nuclear and Chloroplast DNA Sequence Data: Taxonomic and Biogeographic Implications" (PDF). Annals of botany 97 (5): 705–14. doi:10.1093/aob/mcl029. PMC 2803413. PMID 16495316. http://aob.oxfordjournals.org/cgi/reprint/97/5/705.pdf. 
  2. ^ VILLODRE J.M.A.R.T.I.N., GARCIA-JACAS N. (August 2000). "Pollen studies in subtribe Centaureinae (Asteraceae): the Jacea group analysed with electron microscopy". Botanical Journal of the Linnean Society 133 (4): 473–484. doi:10.1111/j.1095-8339.2000.tb01590.x.