Microscopic Triptych of a Houseplant's Leaves and Stem (Calathea sp.)

Calathea belongs to a group of tropical plants in the Arrowroot Family Marantaceae. They are popular houseplants due to their varied and decorative foliage and in some species, colorful inflorescences. The common name "prayer plant" comes from the way the foliage on the plants turns upward in the evening like a pair of hands folded in prayer.

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