G Glossary of Terms

Gall—A rounded swelling on a leaf, twig, or stem of a plant, usually caused by fungi or insect stings.

Genus—A further breakdown (subcategory) of the family category of plants. The genus to which a plant belongs is the first word in a plant’s botanical name.

Germination—Earliest stage of the formation of a plant from seed.

Green lacewing—A beneficial aphid-eating insect.

Greensand—Texas greensand is from natural deposits in East Texas. Contains many trace minerals and about 19% iron.

Groundcover—Spreading plants that cover bare ground.

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