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{{Short description|Species of flowering plant}}
{{Speciesbox
| name = ''Mirabilis longiflora''▼
|
|genus = Mirabilis
▲| image_caption = long tubular flowers
|
▲| species = '''''M. longiflora'''''
}}
'''''Mirabilis longiflora''''', also known as the '''sweet four o'clock'''<ref>{{PLANTS|id=MILO2|taxon=Mirabilis longiflora|accessdate=13 July 2015}}</ref> or the '''long-flowered four o'Clock''',<ref name=wild>[https://www.wildflower.org/plants/result.php?id_plant=MILO2 Mirabilis longiflora] Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 8 April 2024.</ref> is a species of flowering plant native to the [[southwestern United States]] and northern [[Mexico]]. The flowers open in the late afternoon and bloom through the night, hence the name.
==Description==
[[File:Mirabilis longiflora - Flickr - peganum (7).jpg|left|thumb|Flowers]]
It is a [[herbaceous]], tender [[perennial]] species that grows up to 150 cm high (5 feet). It has upright, thin stems that branch densely from the base. [[Petiole (botany)|Petiolate]] leaves between 6 to 11.5 cm long and 3 to 7 cm wide in [[Ovate (botany)|ovate]] or lanceo-ovate shape, bright green in color.
===Inflorescences===
The inflorescences are terminal or [[Axillary bud|axillary]], very compact, with linear and foliar [[bract]]s. The involvements are bell-shaped, 1 to 1.5 cm long, with unequal triangular or slightly lanceolate lobes. The flower has a [[perianth]] 8 to 17 cm long, 5 [[stamen]]s, brush-shaped [[Stigma (botany)|stigma]]. The fruit is an elliptical or oblong dark-colored [[achene]] about 8 mm long by 5 mm wide.
Flower colour is white to pinkish with a reddish or purplish throat. This species is a nocturnal flowerer, whose long, narrow, strongly-scented, tubular flowers (approaching 17 centimeters in maximum length) exhale a fragrant aroma at nights.<ref name=wild/>
==Habitat==
[[Category:Nyctaginaceae]]▼
Native to southwestern United States, from [[Arizona]] to [[Texas]] and [[northern Mexico]], it is found in [[Shrubland|scrubby]] canyons and [[riverbank]]s.<ref name=wild/>
[[Category:Root vegetables]]▼
[[Category:Underutilized crops]]▼
==Gallery==
[[es:Mirabilis longiflora]]▼
<gallery>
SWEET FOUR O'CLOCK (Mirabilis longiflora) (7-14-11) patagonia-sonoita creek preserve, scc, az -01 (5937533729).jpg|Flower detail
Mirabilis longiflora 01.JPG|Grown in clumps at the [[University of Latvia Botanical Garden]]
Mirabilis longiflora0.jpg|Emerging flower
Mirabilis longiflora5.jpg|Long tubular flowers
Mirabilis longiflora - Flickr - peganum.jpg|As a [[rock garden]] plant on raised a [[garden bed]]
</gallery>
==References==
{{Reflist}}
{{Taxonbar|from=Q2356547}}
[[Category:Taxa named by Carl Linnaeus]]
[[Category:Garden plants of North America]]
[[Category:Flora of Mexico]]
[[Category:Flora of Northwestern Mexico]]
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