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Naturalistic botanical illustration of delicate horsetail stems rising among curled clover leaves edged with tiny frost crystals in a quiet riverside meadow at the first cold dawn of autumn; slender vertical stems arranged in an open rhythmic field, balanced by low rounded foliage and generous breathing room, rendered with fine gouache grain and restrained detail in sage green, moss gray, frost white, and muted jade, under soft overcast dawn light that reveals sharply defined crystalline edges, creating a crisp, contemplative mood with controlled visual noise, no text, watermark, logo, border, UI, or interface elements.

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