long-day plant
[ lông′dā′ ]
A plant that flowers only after being exposed to light periods longer than a certain critical length, as in summer. Spinach, lettuce, and some varieties of wheat are long-day plants. Compare day-neutral plant short-day plant. See more at photoperiodism.
Words nearby long-day plant
long-case clock, long-chain, long-coats, long-dated, long-day, long-day plant, long-distance, long-drawn-out, long-eared owl, long-faced, long-form
The American Heritage® Science Dictionary
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