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Allionia choisyi
Allionia choisyi Standl.
Smooth Trailing Four O'Clock, Trailing Four O'Clock, Annual Windmills, Umbrellawort, Garapatilla
Nyctaginaceae (Four O'clock Family)
Synonym(s):
USDA Symbol: ALCH
USDA Native Status: L48 (N)
Allionia choisyi has a perianth 3/16 of an inch (5 mm) long or less, and the curved edges of the fruit each bear 5-8 slender, gland-tipped teeth. It is found from southwestern North America (Utah, Arizona, New Mexico, and Texas) south through Mexico and Central America to South America, as well as throughout the Caribbean.
Plant Characteristics
Duration: AnnualHabit: Herb
Fruit Type: Accessory
Size Notes: Stems procumbent, up to about 6 feet long.
Bloom Information
Bloom Color: White , PinkBloom Time: May , Jun , Jul , Aug , Sep
Distribution
USA: AZ , CO , NM , TX , UTHerbarium Specimen(s)
NPSOT 0561 Collected Oct 13, 1993 in Comal County by Mary Beth WhiteNPSOT 0629 Collected Nov 6, 1993 in Bexar County by Mike Fox
NPSOT 0870 Collected May 4, 1994 in Bexar County by Harry Cliffe
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 Allionia choisyi in USDA PlantsFNA: Find Allionia choisyi in the Flora of North America (if available)
Google: Search Google for Allionia choisyi
Metadata
Record Modified: 2025-02-12Research By: TWC Staff