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Botanical Nerd Word: Actinomorphic

Actinomorphic: Having multiple planes of symmetry such that any line drawn through the middle produces two mirror-image halves, usually applied to flowers.* Compare with zygomorphic.

This striking red Dahlia ‘Mystic Enchantment’ in the Arrival Courtyard has actinomorphic flowers.

*Pell, S.K., Angell, B. (2016). A botanist’s vocabulary: 1300 terms explained and illustrated. Portland: Timber Press.

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