Oenothera elata

Short description: Species of flowering plant

Oenothera elata

Oenothera elata subsp. hookeri
Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Clade:  | Angiosperms
Clade:  | Eudicots
Clade:  | Rosids
Order:  | Myrtales
Family:  | Onagraceae
Genus:  | Oenothera
Species:  |

O. elata

Binomial name
Oenothera elata

Kunth

Oenothera elata is a species of Oenothera known by the common name Hooker's evening primrose or tall evening primrose. Subspecies include hookeri, hirsutissima, longisima, jamesii, villosa and elata.[1] It is native to much of western and central North America. The plants are quite tall, especially the hookeri subspecies, native to California , which can reach about 1.8 meters (6 feet) height.[2] The plants are found along roadsides, in moist meadows, or in woodland, from sea level up to 9,000 ft (2,700 m) in elevation.[3]

## Contents

* 1 Description
* 2 Uses
* 3 Gallery
* 4 References
* 5 Further reading
* 6 External links

## Description

The stout, usually reddish stem has many long, narrow leaves, above a basal rosette. At its top is a large, open cluster of 2- to 4-inch wide yellow flowers with 4 large petals and protruding yellow stamens and 4-branched pistil, often covered in sticky pollen. The fragrant flowers open at dusk and wilt the next morning, turning orange or red.[3]

## Uses

The Zuni people apply a poultice of the powdered flower of the hookeri subspecies and saliva at night to swellings.[4]

## Gallery

* Oenothera elata (Hooker's evening primrose), Irvine CA

* Oenothera elata flowers, Eastern Sierra, CA

* E. elata var hookeri, Water Conservation Garden, El Cajon CA

* Oenothera elata: basal & stem leaves, reddish stems, large yellow flowers, & drying orange-red flowers

## References

1. ↑ {{citation | mode = cs1 | title = Oenothera elata | work = Germplasm Resources Information Network (GRIN) | url = | publisher = [[Organization:Agricultural Research ServAgricultural Research Service (ARS), United States Department of Agriculture (USDA) | access-date = 19 January 2018 }}
2. ↑ "Botanica. The Illustrated AZ of over 10000 garden plants and how to cultivate them", p. 612. Könemann, 2004. ISBN:3-8331-1253-0
3. ↑ 3.0 3.1 Laird R. Blackwell (2002). Wildflowers of the Eastern Sierra and Adjoining Mojave Desert and Great Basin. Lone Pine Publishing. ISBN 978-1-55105-281-6.
4. ↑ Camazine, Scott; Bye, Robert A. (1980). "A Study Of The Medical Ethnobotany Of The Zuni Indians of New Mexico". Journal of Ethnopharmacology 2 (4): 365–388 [377]. doi:10.1016/s0378-8741(80)81017-8. PMID 6893476.

## Further reading

* Raven, Peter; Dietrich, Werner; Stubbe, Wilfried (Autumn 1979). "An Outline of the Systematics of Oenothera Subsect. Euoenothera (Onagraceae)". Systematic Botany 4 (3): 242–252. doi:10.2307/2418422.
* Dietrich, Werner; L. Wagner, Warren (1987). "A New Combination and New Subspecies in Oenothera Elata Kunth (Onagraceae)". Annals of the Missouri Botanical Garden 74 (1): 151–152. doi:10.2307/2399273. https://www.biodiversitylibrary.org/part/19290.

## External links

* Calflora Database: Oenothera elata (Hooker's evening primrose)
* Jepson Manual eFlora treatment of Oenothera elata
* Photo gallery

Wikidata ☰ Q7078660 entry

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