Annual a plant that bears seed during

Annual a plant that bears seed during

Annual a plant that bears seed during

Annual: a plant that bears seed during the first year of its existence and then dies.

Anther: the part of a stamen that bears the pollen.

Atmospheric nitrogen: nitrogen in the air. Great quantities of this valuable plant food are in the air; but, strange to say, most plants cannot use it directly from the air, but must take it in other forms, as nitrates, etc. The legumes are an exception, as they can use atmospheric nitrogen.