California Evening Primrose (Oenothera arizonica)
Description
Oenothera californica is a perennial herb producing a spreading or upright stem up to 80 centimetres (31 in) long. Young plants have a basal rosette of leaves, while older ones have leaves along the stem, lance-shaped to nearly oval in shape and up to 6 centimeters long. Flowers occur in the upper leaf axils, drooping in bud and becoming erect as they bloom. The four petals are white, fading pink, and may exceed 3 centimeters long.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Myrtales
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Family: Onagraceae
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Genus: Oenothera
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