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Onagraceae
The Willowherb Family
Plantae
The Onagraceae, also known as the Willowherb family or Evening Primrose family, is a family of flowering plants. The family includes about 640-650 species of herbs, shrubs, and trees in 20-24 genera. The family is widespread, on every continent from boreal to tropical regions.

The family includes a number of popular garden plants, including evening primroses (Oenothera) and fuchsias (Fuchsia). Some, particularly the willowherbs (Epilobium) are common weeds in gardens, e.g. Fireweed.

The family is characterised by flowers with usually four sepals and petals; in some genera (e.g. Fuchsia), the sepals are as brightly coloured as the petals, giving the impression of a flower with eight petals.

The seeds are very small, in some genera (e.g. Epilobium) with a tuft of down and wind-dispersed, in others (e.g. Fuchsia), in a juicy epigynous berry and dispersed by birds. The leaves are commonly opposite or whorled, but are spirally arranged in some species; in most, they are simple and lanceolate in shape. The pollen grains in many genera are loosely held together by viscin threads, meaning that only bees that are morphologically specialized to gather this pollen can effectively pollinate the flowers (it cannot be held effectively in a typical bee scopa). Accordingly, nearly all of the bees that visit onagraceous flowers are floral specialists (oligoleges).

The family is named after the genus Onagra (now known as Oenothera) in 1836 by J. Lindley in the second edition of Nat. Syst. Bot.

http://www.botany.hawaii.edu/Faculty/Carr/onagr.htm

Scientific Family name.
Hint: Usually ends in "acea"
Full Family List


The Family Onagraceae
belongs to the Order of Myrtales


Main Diagram | Plant Order List


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Onagraceae
Myrtales
Myrtales
Order of Myrtles
Malvidae
Mallow Class
Eurosids
Real Rose Class
Rosids
Rosids
Rose-Like Class
Core Eudicots
Core Eudicots
Main, Real, Two First-Leaves (Dicots)
Eudicots
Eudicots
Real, Two First-Leaves (Dicots)
Mesangiospermae
Mesangiospermae
Half Capsule Seed Division
Magnoliophyta
Magnoliophyta
Magnolia Division
Spermatophytes
Spermatophytes
Seed Plants
Euphyllophytina
Real Land Plants
Polysporangiates
Multiple Spore Sub-Kingdom
Stomatophytes
Stomatophytes
Air Pores Sub-Kingdom
Embryophytes
Embryophytes
Multicellular Land Plants
Streptobionta
Streptobionta
Multicellular Plants
Plantae
Plantae
Plants
Eukaryota
Eukaryota
Cells with a Nucleus


Wild Clarkia
Wild Clarkia
Clarkia
gardengeek - June 19, 2014

Elegant Clarkia
Elegant Clarkia
Clarkia unguiculata
cynthialou587 - August 12, 2012

Evening Primrose
Evening Primrose

Producer - August 11, 2012

Willowherb
Willowherb
Epilobium hornemannii
forager - July 21, 2012

Evening Primrose
Evening Primrose
Oenothera glazioviana
gardengeek - June 16, 2012

Willow Gaura
Willow Gaura
Gaura Parviflora
Producer - June 12, 2012

Common Evening Primrose
Common Evening Primrose
Oenothera biennis
crystalskye - September 03, 2011

Mexican Primrose
Mexican Primrose
Oenothera speciosus (berlandieri) 'Rosea
Thunder - June 16, 2010

Evening Primrose
Evening Primrose
Oenothera biennis
Thunder - June 12, 2010

Fragrant Evening Primrose
Fragrant Evening Primrose
Oenothera caespitosa
gardengeek - June 10, 2010

Fuchsia
Fuchsia
Fuchsia
gardengeek - January 05, 2010

Brinco de Princesa, Fuchsia
Brinco de Princesa, Fuchsia
Fuchsia hybrid
heidbenati - August 22, 2009

Evening Primrose
Evening Primrose
Oenothera glazioviana
gardengeek - August 18, 2009

Brinco-de-Princesa
Brinco-de-Princesa
Fuchsia hybrida
genny_happy - August 05, 2009

Evening Primrose
Evening Primrose
Oenothera_speciosa
gardengeek - July 31, 2009

Horneman's Willowherb
Horneman's Willowherb
Epilobium hornemannii
gardengeek - July 22, 2009

Fireweed
Fireweed
Epilobium angustifolium
gardengeek - July 13, 2009

California Fuschia,Garrett's Firechalice
California Fuschia,Garrett's Firechalice
Epilobium canum
gardengeek - July 08, 2009

Primrose Pinklady
Primrose Pinklady
Oenothera speciosa
gardengeek - July 02, 2009

Lavandula Evening-Primrose
Lavandula Evening-Primrose
Calylophus lavandulifolia
gardengeek - June 25, 2009

Diamond Clarkia
Diamond Clarkia
Clarkia rhomboidea
gardengeek - June 07, 2009

Evening Primrose
Evening Primrose
Oenothera
DrPerry - May 18, 2009

Fragrant Evening Primrose
Fragrant Evening Primrose
Oenothera caespitosa
gardengeek - May 15, 2009


http://www.botany.hawaii.edu/Faculty/Carr/onagr.htm


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Comment: Fragrant Evening Primrose



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