Glabrous : without any hair, also used to mean smooth. 

Gland : a secreting surface or structure. or an appendage having the general appearance and function of such an organ. 

Globose : spherical or nearly so . 

Glaucous: of sea-green or blue-green colour. 

Glandular: beset with glands. 

Glime: the bracts and bracteoles on the spikelets of grasses and sedges. 

Gonus: angled, eg.3-gonus, hexa-gonus,etc.