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Iostephane
Genus of flowering plants From Wikipedia, the free encyclopedia
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Iostephane is a genus of Mexican flowering plants in the family Asteraceae.[2][3][4] They were first published in G.Bentham & J.D.Hooker, Genera Plantarum Vol.2 on page 368 in 1873.[5]
The species are rosette-forming herbaceous perennials that produce relatively large heads with yellow or purple (I. heterophylla) rays. They have large, somewhat quadrate cypselae (achenes), that may either have or lack a pappus.
Molecular phylogenetic studies by Schilling in 1991,[6] suggested that there is an unexpectedly close relationship between Iostephane and Dendroviguiera (formerly Viguiera sect. Maculatae), a genus of shrubs and trees that is also endemic to Mexico.[7]
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Species
As accepted by Plants of the World Online,[5] and Global Compositae Checklist;[1]
- Iostephane heterophylla (Cav.) Benth. – widespread from Chihuahua to Oaxaca
- Iostephane madrensis (S.Wats.) Strother – Chihuahua
- Iostephane papposa J. J. Fay – Oaxaca
- Iostephane trilobata Hemsl. – Chiapas, Oaxaca, Puebla, México State
References
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