Oenothera tetragona var. tetragona

Classification	Dicots
Family	Onagraceae
Family (Traditional)	Onagraceae
Genus	Oenothera
Species:	Oenothera tetragona
Infrapecies:	Oenothera tetragona (Michx.) Straley var. tetragona
Common Name	Narrowleaf Evening Primrose
Growth Habit	forb
Plant Notes	**
Characteristics	Armaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Region of Origin: North America; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Number: 0; Anther Type: Dorsifixed; Base Flower Color: Yellow; Fruit Type: Capsule; Fruit Wet/Dry: Dry; Ovary Position: Inferior; Overall Flower Symmetry: Actinomorphic; Petal Number: 4; Placentation Type: Axillary; Placentation Type: Parietal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value	4
Status	Native

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.