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Anulocaulis leiosolenus
Anulocaulis leiosolenus (Torr.) Standl.
Southwestern Ringstem
Nyctaginaceae (Four O'clock Family)
Synonym(s):
USDA Symbol: ANLE5
USDA Native Status: L48 (N)
An ungainly, spindly plant with large fleshy leaves near base and pale pink or pink and white, trumpet-shaped flowers scattered about widely branched top.
In the heat of the day, the tubes of spent flowers hang bedraggled. At sundown, as new flowers open, the long stamens and style unravel and align in a graceful sweep from the narrow opening. The common name ringstem derives from the sticky, glandular rings encircling the stem.
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Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Accessory
Size Notes: Up to about 5 feet tall.
Bloom Information
Bloom Color: White , PinkBloom Time: May , Jun , Jul , Aug , Sep
Distribution
USA: AZ , NM , NV , TXNative Distribution: Southern Nevada, central Arizona, southern New Mexico, and western Texas.
Native Habitat: On rocky soil containing gypsum.
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Anulocaulis leiosolenus in USDA PlantsFNA: Find Anulocaulis leiosolenus in the Flora of North America (if available)
Google: Search Google for Anulocaulis leiosolenus
Metadata
Record Modified: 2023-04-18Research By: TWC Staff