A genus of small succulents and herbaceous plants from dry regions, known for their delicate flowers and ability to survive with minimal water.
Named by botanists in honor of Jean Louis Calandrini, an 18th-century Swiss naturalist, following Linnaean naming conventions where plant genera commemorate scientists.
Calandrinia plants are so good at conserving water that they're called 'clock plants' because their flowers open in the morning and close at night to minimize water loss—it's nature's thermostat.
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