Flora of North America species comparison

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Croton leucophyllus

Croton suaveolens

two-color croton

scented croton
Habit Shrubs, 2–5 dm, monoecious.
Stems

dichotomously much branched proximally, coarsely stellate-tomentose.
Leaves

often clustered near inflorescences;

stipules each 5–10 glandular papillae, 0.2–0.5 mm;

petiole 0.5–1.5 cm, 1/4 leaf blade length, glands absent at apex;

blade obovate or ovate to broadly elliptic, 2–5.4 × 1–3.6 cm, base obtuse, margins entire, apex obtuse to acute, abaxial surface pale green to cream, adaxial surface darker green, both densely stellate-hairy.
Inflorescences

bisexual or staminate, racemes, 1–3 cm, staminate flowers 6–10, pistillate flowers 1–3.
Pedicels

staminate 3–5 mm, pistillate 1–2 mm.
Staminate flowers

sepals 5, 2 mm, abaxial surface stellate-hairy;

petals 5, spatulate or obovate, 0.4–0.6 mm, abaxial surface densely villous at base and along margins, otherwise glabrous;

stamens 12–16.
Pistillate flowers

sepals 5, equal, 2.5 mm, margins entire, apex straight to slightly incurved, abaxial surface stellate-hairy;

petals glandular papillae;

ovary 3-locular;

styles 3, 4–6 mm, 2-fid to base, terminal segments 6.
Capsules

7–10 × 6–8 mm, smooth;

columella apex with 3 rounded, inflated lobes.
Seeds

5.5–7 × 4–5 mm, shiny.

Croton leucophyllus

Croton suaveolens
Phenology Flowering Apr–Nov.
Habitat Rocky slopes, foothills.
Elevation 1500–2000 m. (4900–6600 ft.)
Distribution
from FNA
TX; ne Mexico
[BONAP county map]
from FNA
TX; Mexico (Coahuila, Chihuahua, Nuevo León)
[BONAP county map]
Discussion

Varieties 2 (1 in the flora).

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

Croton suaveolens is found in the flora area only in trans-Pecos Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 218. FNA vol. 12, p. 224.
Parent taxa Euphorbiaceae > Croton Euphorbiaceae > Croton
Sibling taxa
C. alabamensis, C. argenteus, C. argyranthemus, C. californicus, C. capitatus, C. ciliatoglandulifer, C. cortesianus, C. coryi, C. dioicus, C. elliottii, C. fruticulosus, C. glandulosus, C. heptalon, C. humilis, C. incanus, C. lindheimeri, C. lindheimerianus, C. linearis, C. michauxii, C. monanthogynus, C. parksii, C. pottsii, C. punctatus, C. sancti-lazari, C. setigerus, C. soliman, C. sonorae, C. suaveolens, C. texensis, C. wigginsii
C. alabamensis, C. argenteus, C. argyranthemus, C. californicus, C. capitatus, C. ciliatoglandulifer, C. cortesianus, C. coryi, C. dioicus, C. elliottii, C. fruticulosus, C. glandulosus, C. heptalon, C. humilis, C. incanus, C. leucophyllus, C. lindheimeri, C. lindheimerianus, C. linearis, C. michauxii, C. monanthogynus, C. parksii, C. pottsii, C. punctatus, C. sancti-lazari, C. setigerus, C. soliman, C. sonorae, C. texensis, C. wigginsii
Subordinate taxa
C. leucophyllus var. leucophyllus
Synonyms Oxydectes leucophylla
Name authority Müller Arg.: Linnaea 34: 139. (1865) Torrey: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 194. (1859)
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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