Oenothera rosea, Hartmannia rosea,
Rose Evening Primrose, Rosy Evening-primrose, Pink Evening-primrose,
Hebrew: נר-הלילה הוורוד

Scientific name:  Oenothera rosea Aiton
Synonym name:  Hartmannia rosea (L'Hér. ex Aiton) G. Don
Common name:  Rose Evening Primrose, Rosy Evening-primrose, Pink Evening-primrose
Hebrew name:  נר-הלילה הוורוד
Family:  Onagraceae, Evening Primrose family, נר-הלילה

פרחים וצמחי בר בארץ ישראל

Life form:  Annual
Stems:  7-65 cm, ascending to decumbent, simple or branched, strigillose, sometimes with longer spreading hairs
Leaves:  Alternate, entite; smooth margin
Inflorescence:  Leafy spike
Flowers:  The flowers open at sunrise; hermaphrodite; floral tube 4-10 mm; sepals 5-10 mm; pink to rose-purple petals with conspicuous darker veins, 5-12 mm; cream-colored anthers 2-3.5 mm; ovary usually densely strigillose; stigma surrounded by anthers
Fruits / pods:  Capsules clavate or narrowly obovoid, 4-12 mm, valves angled or weakly winged, attenuate to slender sterile stipe (pedicel) 5-20 mm
Flowering Period:  April, May, June, July, August, September, October, November
Habitat:  Disturbed habitats (weeds)
Distribution:  Mediterranean Woodlands and Shrublands
Chorotype:  American
Summer shedding:  Ephemeral

Oenothera rosea, Hartmannia rosea, Rose Evening Primrose, Rosy Evening-primrose, Pink Evening-primrose, נר-הלילה הוורוד


Derivation of the botanical name:
Oenothera, Greek, oinos, wine; thera, booty; wine catcher. The root when eaten was supposed to increase one's capacity for wine.
rosea, rosy-colored
Hartmannia, dedicated to Emanuel Friedrich Hartmann (1784- 1837), a German cryptogamist, later working in Louisiana.
  • The standard author abbreviation Aiton is used to indicate William Aiton (1731 – 1793), a Scottish botanist.
  • The standard author abbreviation L'Hér. is used to indicate Charles Louis L'Héritier de Brutelle (1746 – 1800), a French botanist and magistrate.
  • The standard author abbreviation G,Don is used to indicate George Don (1798 – 1856), a Scottish botanist.

Oenothera rosea, Hartmannia rosea, Rose Evening Primrose, Rosy Evening-primrose, Pink Evening-primrose, נר-הלילה הוורוד