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Croton Linnaeus. Croton, Doveweed, Rushfoil.

Key to Croton

A genus of about 1250 species, herbs, shrubs, and (rarely) trees, of nearly cosmopolitan distribution (primarily tropical and warm-temperate). Webster (1992, 1993a) considered the 2 taxa traditionally treated as Crotonopsis to be closely related to sections within Croton, such as section Gynamblosis; his reasoning has been supported by molecular phylogenetic studies and all recent floristic treatments and is followed here. The subgenera and sections shown in the key follow van Ee, Riina, & Berry (2011).

Ref: Govaerts, Frodin, & Radcliffe-Smith (2000); Ungberg (2022) In Weakley et al. (2022); van Ee & Berry (2009); van Ee & Berry (2010); van Ee & Berry (2016) In Flora of North America Editorial Committee (2016); van Ee, Berry, & Ginzbarg (2011); van Ee, Riina, & Berry (2011); Ward (2012a); Webster (1992); Webster (1993a); Webster (2014) In Kubitzki (2014). Show full citations.

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Show species in Croton

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Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Keith Bradley | Croton argyranthemus | Original Image ⭷
image of plant© Emily Oglesby | Croton alabamensis var. alabamensis | Original Image ⭷
image of plant© Bruce A. Sorrie | Croton alabamensis var. alabamensis | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Scott Ward | Croton alabamensis var. alabamensis | Original Image ⭷

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See something wrong or missing on about Croton? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.


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