Difference between revisions of "Solanum citrullifolium var. setigerum"
Proc. Amer. Acad. Arts 44: 628. 1909.
Weedy
Treatment appears in FNA Volume 14.
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|genus=Solanum | |genus=Solanum | ||
|species=Solanum citrullifolium | |species=Solanum citrullifolium | ||
Latest revision as of 13:14, 24 November 2024
Stems densely bristly with spreading or slightly descending prickles 4–8 mm and mostly less than 0.5 mm diam. at base, 25+ per cm of stem, sparsely pubescent with short-stipitate glands. Calyx lobes 3.3–3.5 mm. Seeds with low, radially oriented ridges.
Phenology: Flowering Jul–Oct.
Habitat: Limestone, lava, sand, alluvial deposits, calcareous, gypseous, and saline flats, around wet depressions.
Elevation: 1100–1400 m.
Distribution
Tex., Mexico (Chihuahua, Coahuila).
Discussion
Variety setigerum is found occasionally in Presidio County, where it is becoming a serious nuisance in overgrazed and irrigated lands.
Selected References
None.
Lower Taxa
None.