Acuminate …      …   applied to the apex of a leaf having a gradually diminishing point.
Acute         …      …    applied to the apex of a leaf distinctly and sharply pointed but not drawn out.
Adventitious roots   roots which do not arise from the radicle or its subdivision, but from parts other than these.
Amplexicaul           …   applied to the base of the leaf when it embraces the stem.
Apiculate …          …   said of the apex when it has  a sharp, short point.
Appressed  …       …   lying flat for the whole length of the part or organ.
Articulate …          …   jointed.
Auricle       …       …   outgrowth at the sides close to the region.
Awned       …       …   having an own, that is, a bristle-like appendage, especially on the glumes of grasses .
Bifarious  …          …   disposed in two rows or ranks on the sides.
Binate      …          …   in pairs.
Blade      …          …   the expanded portion of a leaf.
Bristles    …          …   stiff hairs.
Bulbous based       …   having an inflated base.
Callus      …          …   the projecting part or an extention of the flowering glume below its point of insertion.
Caryopsis             …   a one-celled, one- seeded superior fruit in which  the pericarp has fused with hairs.
Chartaceous           …  papery, i e., thin and somewhat rough.
Ciliate      …          …   fringed with hairs.
Ciliolate   …          …   very sparsely fringed with hairs.
Clavate    …          …   club-shaped.
Clavellate              …   thickened towards  the apex.
Collar      …          …   the white or colorless band at the base of the blade of a grass leaf just where it joins the sheath.
Conduplicate         …   folded together lengthwise.
Convolute              …   rolled round from the margin to the other ,so that one margin is inside , and the other outside.
Coriaceous            …   leathery.
Corymbosely         …   arranged in corymbs, i.e., flat- topped flower clusters.
Crisped   …          …   Curled.
Cuneate   …          …   wedge-shaped or triangular.
Cuspidate              …   tipped with a small triangular piece at the apex.
Decumbent   …   reclining but with the upper part ascending.
Digitate    …          …   fingered, arranged at the end of the stalk.
Dioecious              …   having the sexes separated on two distinct individuals.
Distichous              …   two ranked or two-rowed.
Endodermis           …   the innermost layer of the cortex abutting on and forming a sheathing layer round the stele.
Extra vaginal          …   applied to shoots branches that come out piercing the leaf sheath in grasses.
Fascicle   …          …   a cluster or bundle.
Filiform    …          …   thread shaped, slender and thin.
Flexuous  …          …   bent alternately in opposite directions.
Foveolate              …   marked with small pits.
Geniculately           …   bent abruptly so as to resemble a knee-joint.
Geminate …          …   in pairs.
Gibbous  …          …   convex or rounded.
Glabrescent           …   slightly hairy but becoming glabrous.
Glabrous               …   quite smooth without hairs.
Glaucous      …   covered with a bloom.
Glume                  …   the chaffy two-ranked members found in the inflorescence of grasses.
Hispid…                 … Rough hairs.
Hirsute    …          …   covered with fairly long distinct hairs.
Hyaline    …          …   colorless or translucent.
Imbricate     …   overlapping.
Internode      …   portion of a stem between two nodes.
Intravaginal   …   growing out from inside the sheath.
Involucel       …   a ring of bracts surrounding several spikelets.
Keeled    …          …   having a ridge along the length.
Lemma    …          …   the flowering glume of a grass.
Ligule      …          …   the thin scarious projection found at the leaf sheath. Where it joins the blade in grasses.
Lodicule  …          …   a small scale outside the stamens in the flower of grasses.
Membranous         …   thin and semi-transparent.
Mucronate             …   possessing a short and a straight point.
Node      …          …   the part of the stem which has a leaf, or the knot in the grass stem.
Palea       …          …   the inner glume in the spikelet of grasses.
Pectinate …          …   pinnatifid with narrow segments which are close like the teeth of a comb.    
Pistil        …          …   the female organ of a flower, consisting of the ovary, style and Stigma.
Plumose  …        …    feathered.
Prophyllum   …   the first scale-like leaf of a branch found where it joins the main stem.
Puberulous   …   slightly hairy.
Pubescent   …       …   clothed with soft hair.
Punctuate   …       …   marked with dots pits or glands.
Pungent      …       …   ending in a rigid and sharp point.
Raceme   …          …   a centrifugal or indeterminate inflorescence with stalked flowers.
Rachilla   …          …   a secondary  axis in the inflorescence of the grasses, the axis of the spikelet.
Rachis     …          …   axis of an inflorescence.
Retuse     …          …   with a shallow notch at the apex.
Rhizome  …          …   root-stock or under ground stem prostrate on the ground.
Rugulose      …   somewhat wrinkled.
Scaberulous           …   slightly rough due to the presence of short hairs.
Scabrid   …          …   somewhat rough.
Scale       …          …   a reduced leaf.
Secund    …          …   directed to one side only.
Serrate    …          …   beset with small teeth on the margin.
Setose     …          …   beset with bristles.
Spathaceous…      …   having a large bract enclosing a flower cluster.
Spiciform …           …  Spike-like.
Spike   …           …   an inflorescence with sessile flowers on an elongated axis, the older flower being lower down and the younger towards the top.
Squarrose  …       …   rough with outstanding processes.
Stipe …    …              a short stalk of gynaecium
Stipitate   …           …  having a short stalk.
Stolon  …    …          any basal branch  which is disposed to root.
Sub-coriaceous     …  some what leathery.
Subulate …            …  finely pointed.
Truncated …          …  as if cut off at the end
Turbinate…            …  cone shaped or top shaped.
Villous…                      …  with long hairs