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Critonia

From Wikipedia, the free encyclopedia

Critonia
Critonia morifolia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Eupatorieae
Genus: Critonia
P.Browne
Type species
Critonia dalea
Synonyms[1]

Critonia is a genus of flowering plants in the tribe Eupatorieae of the family Asteraceae.[2][4][5]

The most notable trait that characterizes the genus is the presence of pellucid punctations caused by internal secretory pockets of the leaves - to be seen these must be viewed with a hand lens while holding the leaf up to light in most species of the genus. Most species of Critonia also have smooth opposite leaves, a shrubby habit, unenlarged style bases, relatively few (3-5) flowers per head, and imbricate involucres.[6]

Species

The genus is native to Mexico, Central America, South America, and the West Indies.[1]

References

[edit]
  1. 1 2 Flann, C (ed) 2009+ Global Compositae Checklist Deprecated link archived 2014-11-16 at archive.today
  2. 1 2 Browne, Patrick. 1756. The Civil and Natural History of Jamaica in Three Parts pages 314-315
  3. ↑ Browne, Patrick. 1756. The Civil and Natural History of Jamaica in Three Parts page 239
  4. ↑ Browne, Patrick; Browne, Patrick; Ehret, Georg Dionysius (1756). The civil and natural history of Jamaica : in three parts. In three dissertations. The whole illustrated with fifty copper-plates : in which the most curious productions are represented of the natural size, and delineated immediately from the objects. London: Printed for the author, and sold by T. Osborne and J. Shipton in Gray's-Inn.
  5. ↑ Tropicos, Critonia P. Browne
  6. ↑ King, R. M. and H. Robinson. 1987. The genera of the Eupatorieae (Asteraceae). Monographs in Systematic Botany, Missouri Botanical Garden 22: 1-581.
  7. ↑ Montúfar, R.; Pitman, N. (2003). "Critonia eggersii". IUCN Red List of Threatened Species. 2003 e.T43162A10782736. doi:10.2305/IUCN.UK.2003.RLTS.T43162A10782736.en. Retrieved 16 November 2021.
  8. ↑ "Critonia morifolia (Mill.) R. M. King & H. Rob". Bolivia checklist.
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