Flora of North America species comparison

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Croton lindheimerianus var. tharpii

Croton lindheimerianus var. lindheimerianus
Photo is of parent taxon

Tharp's croton, Tharp's three-seed croton
Photo is of parent taxon

threeseed croton
Habit Plants roughly tomentose. Plants densely velvety appressed-tomentose.
Leaf

blades lanceolate, length mostly more than 2 times width, apex acute.

blades suborbiculate, length mostly less than 2 times width, apex rounded to broadly acute.
Pedicels

erect in fruit.

, at least some, recurved in fruit.

Croton lindheimerianus var. tharpii

Croton lindheimerianus var. lindheimerianus
Phenology Flowering Jul–Oct. Flowering May–Nov.
Habitat Loamy or rocky flats, limestone washes. Floodplains, old pastures, loamy soils, roadsides.
Elevation 1000–1600 m. (3300–5200 ft.) 50–600 m. (200–2000 ft.)
Distribution
from FNA
AZ; TX; Mexico (Coahuila)
[BONAP county map]
from FNA
AR; AZ; IL; IN; KS; LA; MO; NC; NM; OK; SC; TX; Mexico (Coahuila, Nuevo León, Tamaulipas)
[BONAP county map]
Discussion

Variety tharpii is found in the flora area only in southern Arizona and western Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety lindheimerianus is somewhat weedy and is adventive to central North Carolina, where it has persisted at the same site for over 50 years; it presumably is introduced also in South Carolina.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 219. FNA vol. 12, p. 219.
Parent taxa Euphorbiaceae > Croton > Croton lindheimerianus Euphorbiaceae > Croton > Croton lindheimerianus
Sibling taxa
C. lindheimerianus var. lindheimerianus
C. lindheimerianus var. tharpii
Synonyms C. eutrigynus
Name authority M. C. Johnston: SouthW. Naturalist 3: 188. (1959) unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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