Class Dicotyledoneae, dicots, מחלקה דו-פסיגיים

Family Onagraceae,
Evening Primose Family, משפחה נר-הלילה

Flowers, bisexual, regular, 4 separate sepals, 4 separate petals (rarely 2,4 or 5), 4 or 8 stamens; the ovary is positioned inferior and consists of 4 (rarely 2 or 5) united carpels, 4-lobed stigma; fruit, a capsule with many seeds, or sometimes a berry or a drupe.

Genus Ludwigia, מדד
Genus Epilobium, ערברבה: , Genus Oenothera, נר-הלילה:

Class Dicotyledoneae, dicots, מחלקה דו-פסיגיים, Epilobium hirsutum, Great Willow-herb, Apple pie, ערברבה שעירה,Oenothera drummondii, Evening-primrose, נר-הלילה החופי