| Name | Structure/ Category | Description |
|---|---|---|
| Gametophyte | the individual or generation of a plant exhibiting alternation of generations that bears sex organs, constitutes the major part of the plant body in most algae, fungi, and mosses, exists as an independent transitory thalloid body in ferns and related plants, and is reduced to a microscopic or rudimentary structure in see plants -- distinguished from sporohphyte | |
| Geminate | In pairs, as a leaf which is divided into two leaflets. | |
| Germination | The beginning or resumption of growth by a seed, bud or other structure. | |
| Glabrate | [2-4-year-old twigs, Buds, Leaf lower surface, Leaf upper surface, Petals, Petioles, Phyllaries, Rachises, Sepals, Young twigs] {pubescence} | Becoming glabrous; almost glabrous; pubescent when young, but losing the hairs in maturity. |
| Glabrous | [2-4-year-old twigs, Buds, Leaf lower surface, Leaf upper surface, Petals, Petioles,Phyllaries, Rachises, Sepals, Young twigs] {pubescence} | Lacking plant hairs (trichomes). |
| Glandular | (1) [Petioles, Rachises] {special surface features} | Bearing secreting organs, or glands. |
| Glandular | (2) [Stipules] {type} | In the form of a secreting organ or gland. blade-like, scale-like and spinose.) |
| Glaucous | [Buds, Young twigs, Leaves] | Covered with a whitish or bluish waxy coating (bloom) that can sometimes be rubbed off. |
| Globose | [Buds] {shape} ; [Seed cones] {shape before opening, shape when open} | Circular in cross section and in outline when viewed from any angle; like a globe or sphere. |
| Glochid | glochidium a barbed hair or spine (as on the massulae of a water fern or on some cacti) |
