Holiday

Holiday

Any day fixed by law, custom or religion on which day-to-day business is suspended for the celebration or commemmoration of some event or public figure.

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sporangiophore

Plants; Flowers

A stalk to which sporangia are attached.

sporangium

Plants; Flowers

A chamber inside of which spores are produced through meiosis

sporophyll

Plants; Flowers

Any leaf which bears sporangia is called a sporophyll.

stamen

Plants; Flowers

Part of a flower, the tip of which produces pollen and is called the anther

stigma

Biology; Flowers

The sticky tip of a pistil. Or, the dense region of pigments found in many photosynthetic protists which is sensitive to light, and thus functions somewhat like a miniature eye.

stomata

Biology; Flowers

Openings in the epidermis of a stem or leaf of a plant which permit gas exchange with the air. In general, all plants except liverworts have stomata in their sporophyte stage.