Flora of North America species comparison

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Croton alabamensis var. texensis

Croton alabamensis var. alabamensis
Photo is of parent taxon

Alabama croton, Texabama croton
Photo is of parent taxon

Alabama croton
Leaf

blades: abaxial surface coppery, some scales unpigmented, others with dark reddish brown center and reddish amber rays.

blades: abaxial surface silvery, scales mostly unpigmented or light amber, some dark blackish brown scales sometimes present.
Inflorescences

6–14-flowered, producing 0–6 fruits.

9–18-flowered, producing 0–11 fruits.
2n

= 16, 32.

Croton alabamensis var. texensis

Croton alabamensis var. alabamensis
Phenology Flowering mostly late Feb–early Apr; fruiting mostly May–Jun. Flowering mostly late Feb–early Apr; fruiting mostly May–Jun.
Habitat Mesic hardwood forest understories, soils overlying limestone, canyon slopes, flat terraces. Limestone glades, forest understories, shale or sandstone outcrops, often on steep slopes.
Elevation 200–400 m. (700–1300 ft.) 50–150 m. (200–500 ft.)
Distribution
from FNA
TX
[BONAP county map]
from FNA
AL
[BONAP county map]
Discussion

Variety texensis is restricted to Bell, Coryell, and Travis counties.

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

Variety alabamensis is restricted to Bibb and Tuscaloosa counties. A report of this variety from Tennessee is almost certainly erroneous (K. Wurdack 2006).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 211. FNA vol. 12, p. 210.
Parent taxa Euphorbiaceae > Croton > Croton alabamensis Euphorbiaceae > Croton > Croton alabamensis
Sibling taxa
C. alabamensis var. alabamensis
C. alabamensis var. texensis
Name authority Ginzbarg: Sida 15: 42, fig. 1. (1992) 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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