Plant Identification Database:
Onagraceae (Evening-primrose)
Order: Myrtales; Class: Dicotyledonae

The plant data on this site are a record of Bob Ronnow's field observations
which vary in accuracy and change with experience. For accurate and complete
information please use the links provided for each plant species and family.

Plant Families
Glossary of Botanical Terms

CLASSIFICATION
LEAVES
FLOWERS
FRUIT
STEM
ECOLOGY
CLASSIFICATION
Common Name (Image)
Scientific Name (Notes)
Genus
LV: Attachment
LV: Shape
LV: Edge
LV: Apex/Base
LV: Size/Surface
FL: Petals/Sepals
FL: Color
FL: Arrangement
FL: Size/Season
FL: Stamen/Pistil/Ovary
FR: Type
FR: Color
FR: Size/Season
ST: Type/Size/Growth
ST: Surface/Color
ST: Buds/Roots
EC: Edible
EC: Habitat
EC: Observations
Common Name (Image)
Scientific Name (Notes)
Other Names
Onagraceae: LV: whole, entire; FL: 4 petals, 4sepals, u. perfect, u. 4 or 8 stamens, 4-part stigma, ovary inferior; FR: u. capsule; ST: u. herb; EC:
whole, oblong entire P: 4 petals; S: 4 u. perfect, S: u. 4 or 8; P: 4-part stigma; O: inferior u. capsule u. herb Onagraceae: LV: whole, entire; FL: 4 petals, 4sepals, u. perfect, u. 4 or 8 stamens, 4-part stigma, ovary inferior; FR: u. capsule; ST: u. herb; EC:
Fireweed Chamerion angustifolium Chamerion Alternate 4-6" P: 4, S:4 Red-Purple slender pod-like capsule 2-3" herb, 2-7', erect Wasatch-Cach NF UT Fireweed Chamerion angustifolium great willowherb, rosebay willowherb
Dwarf enchanter's nightshade Circaea alpina Circaea Opposite, Petiole short (<1/2 leaf length) Whole, Ovate Serrate (coarsely) A: Acute; B: Rounded; Cordate 2 parts, P: Cleft White Raceme, Terminal <1", Summer Herb, <1', Erect Forest Dwarf enchanter's nightshade Circaea alpina Smaller enchanter's nightshade
Enchanter's nightshade Circaea lutetiana Circaea Enchanter's nightshade Circaea lutetiana
Willow-herb Epilobium ciliatum Epilobium Wetland Willow-herb Epilobium ciliatum Northern willow-herb
Purple-leaved willow-herb Epilobium coloratum Epilobium Alternate Lanceolate 4 parts stem cooked Purple-leaved willow-herb Epilobium coloratum
Willow herb Epilobium glandulosum Epilobium Willow herb Epilobium glandulosum
Hairy willow-herb Epilobium hirsutum Epilobium Alternate Lanceolate 4 parts stem cooked Hairy willow-herb Epilobium hirsutum
Willow herb Epilobium leptophyllum Epilobium Wetland Willow herb Epilobium leptophyllum
Willow herb Epilobium palustre Epilobium Willow herb Epilobium palustre
Water purslane Ludwigia palustris Ludwigia Wetland Water purslane Ludwigia palustris False loosestrife
Common evening-primrose Oenothera biennis Oenothera leaf cooked; root cooked Roadside; Waste places Common evening-primrose Oenothera biennis
Sundrops Oenothera fruticosa; perennis Oenothera Alternate Serrate 4 parts Yellow >1" >1' Purple leaf cooked; root cooked Sundrops Oenothera fruticosa; perennis
Pale evening-primrose Oenothera pallida Oenothera linear s. lobed or serrate P: 4 white Capitol Reef NP UT Pale evening-primrose Oenothera pallida
Common Name (Image)
Scientific Name (Notes)
Genus
LV: Attachment
LV: Shape
LV: Edge
LV: Apex/Base
LV: Size/Surface
FL: Petals/Sepals
FL: Color
FL: Arrangement
FL: Size/Season
FL: Stamen/Pistil/Ovary
FR: Type
FR: Color
FR: Size/Season
ST: Type/Size/Growth
ST: Surface/Color
ST: Buds/Roots
EC: Edible
EC: Habitat
EC: Observations
Common Name (Image)
Scientific Name (Notes)
Other Names
CLASSIFICATION
LEAVES
FLOWERS
FRUIT
STEM
ECOLOGY
CLASSIFICATION