Overview

Distribution

National Distribution

Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Hebei, Liaoning [Japan; native to E North America; widely naturalized in S Africa, Europe, and Pacific islands (New Zealand)].
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Physical Description

Morphology

Description

Herbs erect, biennial, with taproot and basal rosette. Stems 30-150 cm tall, simple or sparsely branched, sparsely strigillose (sometimes only lower parts) mixed with glandular and long spreading pustulate-based hairs. Leaves bright green, with white or red veins, strigillose to subglabrous, sessile to shortly petiolate; rosette blade 10-30 × 1-4 cm; cauline blade lanceolate to narrowly elliptic or narrowly oblanceolate, 4-18 × 1-3 cm, base attenuate, margin dentate, apex acute. Inflorescence a dense simple or sparsely branched spike, apex often nodding or curved. Flowers open near sunset; floral tube 2.2-4 cm. Sepals 7-17 mm, with free tips 0.5-5 mm, ± subapical. Petals yellow to pale yellow, fading to orange or dull yellow, 8-15(-20) mm. Anthers 3.5-6 mm; pollen ca. 50% fertile. Ovary strigillose, with some spreading, pustulate-based, and/or glandular hairs; stigma surrounded by anthers. Capsules dark green, drying nearly black, narrowly lanceoloid to lanceoloid, 2-4 cm, sessile. Seeds in two rows per locule, brown to dark brown, 1.1-1.8 mm, irregularly pitted. Fl. Jul-Sep(-Oct), fr. Aug-Oct. 2n = 14, permanent translocation heterozygote; self-compatible, autogamous.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Diagnostic Description

Synonym

Oenothera biennis Linnaeus var. parviflora (Linnaeus) Torrey & A. Gray.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Ecology

Habitat

Open, usually disturbed sites, roadside ditches; near sea level to 1000 m.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Oenothera parviflora

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N4 - Apparently Secure

United States

Rounded National Status Rank: N4 - Apparently Secure

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© NatureServe

Source: NatureServe

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Management

These species are introduced in Switzerland.
  • Aeschimann, D. & C. Heitz. 2005. Synonymie-Index der Schweizer Flora und der angrenzenden Gebiete (SISF). 2te Auflage. Documenta Floristicae Helvetiae N° 2. Genève.   http://www.crsf.ch/ External link.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Info Flora (CRSF/ZDSF) & Autoren 2005

Supplier: Name It's Source (profile not public)

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!