Difference between revisions of "Croton sonorae"
Rep. U.S. Mex. Bound. 2(1): 194. 1859.
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|name=Croton attenuatus | |name=Croton attenuatus | ||
|authority=M. E. Jones | |authority=M. E. Jones | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=C. pringlei | |name=C. pringlei | ||
|authority=S. Watson | |authority=S. Watson | ||
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|hierarchy=Euphorbiaceae;Croton;Croton sonorae | |hierarchy=Euphorbiaceae;Croton;Croton sonorae | ||
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name=Croton sonorae | name=Croton sonorae | ||
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|authority=Torrey in W. H. Emory | |authority=Torrey in W. H. Emory | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V12/V12_746.xml |
|genus=Croton | |genus=Croton | ||
|species=Croton sonorae | |species=Croton sonorae | ||
Revision as of 19:00, 16 December 2019
Shrubs, 8–16 dm, monoecious. Stems much-branched distally, canescent when young, becoming glabrate. Leaves sometimes clustered near inflorescences; stipules subulate, to 1 mm; petiole 0.4–1 cm, 1/4–1/2 leaf blade length, glands absent at apex; blade ovate to broadly lanceolate, 0.8–4 × 0.6–2 cm, base cuneate to rounded or cordate, margins entire, not undulate, ciliate-glandular, apex acute to acuminate, abaxial surface pale green, sparsely whitish stellate-hairy, adaxial surface darker green, glabrate. Inflorescences bisexual or staminate, racemes, 2–14 cm, staminate flowers 10–25, pistillate flowers 3–5(–8). Pedicels: staminate 1–1.5 mm, pistillate 1–4 mm. Staminate flowers: sepals 5, 1–1.5 mm, abaxial surface sparsely stellate-hairy; petals 5, lanceolate, 1.5–2 mm, abaxial surface glabrous except margins villous; stamens 13–16. Pistillate flowers: sepals 5, equal, 1.5–2 mm, margins entire, apex incurved, abaxial surface sparsely stellate-hairy; petals papillae, 0.5 mm; ovary 3-locular; styles 3, 2–3 mm, 2-fid, terminal segments 6. Capsules 7–8 × 5–6 mm, smooth; columella apex with 3 rounded, inflated lobes. Seeds 6–7 × 3–4 mm, shiny.
Phenology: Flowering Jul–Sep.
Habitat: Rocky slopes, desert scrub.
Elevation: 500–1100 m.
Distribution
Ariz., Mexico (Baja California, Sonora).
Discussion
Croton sonorae is widely distributed in Mexico and extends into southern Arizona in Maricopa, Pima, and Pinal counties.
Selected References
None.