Dame's rocket (hesperis matronalis) bloom showing its 4 petals arranged in a cross shape

Botanical Nerd Word: Cruciate

Cruciate (cruciform):  Cross-shaped, used especially of the flowers of the Brassicaceae family.* The 4-petalled flowers of Brassicaceae (mustard family) plants, such as this dame’s rocket (Hesperis matronalis) are characteristically arranged in …

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