familyApocynaceae
genusAsclepias
speciesAsclepias asperula
subspeciesAsclepias asperula subsp. asperula
Asclepias asperula subsp. asperula
Synonyms: Asclepias capricornu subsp. occidentalis Woodson
Treatment appears in FNA Volume 14.
Revision as of 22:32, 6 October 2024 by imported>Volume Importer
Leaves blades linear-lanceolate to linear, 7.7–17 × 0.4–3.6 cm, apex attenuate. Peduncles 0–22.5 cm. Corona segments reddish purple with white upper margin, 5–7 mm. Follicles (6–)8–11.5 cm, ribs rarely inconspicuously muricate near apex or not at all. Seeds 6–8 × 5–6 mm.
Phenology: Flowering Mar–Sep(–Oct); fruiting (Apr–)May–Sep(–Oct).
Habitat: Slopes, hillsides, mesas, ridge tops, bajadas, canyons, arroyos, streamsides, lakesides, basalt, granite, limestone, shale, sandstone, alluvium, talus, rocky, gravelly, clay, sand, and silt soils, grasslands, pinyon-juniper, oak, juniper, pine, pine-oak, mixed conifer, and mesquite woodlands, chaparral, riparian areas, desert scrub.
Elevation: 700–2800 m.
Distribution
Ariz., Calif., Colo., Idaho, Nev., N.Mex., Okla., Tex., Utah, Mexico.
Discussion
Although subsp. asperula is uncommon in Mexico, it ranges surprisingly far south, to Oaxaca. In the flora area, subsp. asperula has limited distributions in California (San Bernardino County), Idaho (Franklin County), Oklahoma (Cimarron County), and Texas (trans-Pecos region).
Selected References
None.
Lower Taxa
None.
... more about "Asclepias asperula subsp. asperula"
Slopes, hillsides, mesas, ridge tops, baja … Slopes, hillsides, mesas, ridge tops, bajadas, canyons, arroyos, streamsides, lakesides, basalt, granite, limestone, shale, sandstone, alluvium, talus, rocky, gravelly, clay, sand, and silt soils, grasslands, pinyon-juniper, oak, juniper, pine, pine-oak, mixed conifer, and mesquite woodlands, chaparral, riparian areas, desert scrub., chaparral, riparian areas, desert scrub. +
Ann. Missouri Bot. Gard. +
1954 +
Asclepias asperula subsp. asperula +
Asclepias asperula +
subspecies +