Bleaches on grass

One calls grass , in a broad meaning, any annual plant or long-lived, not woody, belonging to the Angiosperme S (Monocotylédone S or Dicotylédone S); in a narrower meaning, grass usually indicates the Graminée S, in particular the graminaceous fodder ones, which constitute the Herbage S, the Prairie S and the Pelouse S, and the close families by their morphology, Joncacée S (the Jonc S) and Cypéracée S (the Carex).

The grass in the French language

In the current language

More specifically, one can also indicate by grass certain categories of useful or harmful plants:

aromatic plants, of seasoning (Chervil, Parsley, Tarragon…) ;
spice S;
bad grasses.

The term is then often qualified by an adjective: sweet herbs, aromatic herbs, officinal grasses, medicinal herbs.

Used absolutely, this term indicates the Cannabis (Chanvre or Marijuana). Besides grass says hachich in Arab, which gave in our language hachisch .

In addition, one finds grass in a great number of words made up or indicating fixed Syntagme S of the plants: the Tabac was thus called historically “grass of the queen” or “grass of the ambassador”. See List of the plants called grass

Proverb S, Phrase S and picturesque Expression S

with trodden path it does not grow grass;
to cut grass under the foot of somebody: to oppose or frustrate somebody by preventing it from carrying out its projects;
to listen to the grass rising: to show of idiocy or naivety ;
to employ all grasses of Midsummer's Day: to use all the means to make a success of ;
bleaches on grass some (for example grass doctor, grass genius…) : which has early provisions
seed of bad grass: a good-for-nothing ;
one should not let grow the grass on the way of the friendship;
to eat grass by the root: to be buried;

to eat its grass corn: to waste its resources prematurely ;

bad grass always grows: in fact the bad subjects grow best the ;

to smoke of grass: to smoke of the Marijuana (flowers of Hemp dried; the expression does not apply to the consumption of Haschisch).

The grass in botany

The grass does not have a precise botanical definition, although some classification S, since Théophraste oppose woody grass and plants.

Bleaches on grass is opposed easily to tree, according to two criteria:

a criterion of consistency and biology, it is a not lignified soft plant. For this reason the Banana , although it reaches a height of several meters is a giant “grass” which pushes back each year starting from rejections; one cuts the pseudo-trunk, formed by the fitment of the sheets, to carry out the harvest of the Banane S;
a criterion of size: one tends to associate with grasses the woody plants of small size, the sub-shrubs, like the Thym, arranged in the “sweet herbs”, or the Bruyère, which compose the Lande S with the graminaceous ones and other grasses,

In the Classification of Raunkier (classification of the biological types), the grasses correspond primarily to:

Thérophyte S, plants which disappear during the bad season and survive in the form of Graine S; they are the annual plants;
Cryptophyte S, plants of which the air part dies in the bad season and who survive thanks to their underground part, Bulbe, rhizome or Tubercule.

The grass in the vegetable formations

The grass is at the base of vegetable formations characteristic which occupy of important surfaces on our planet:

high grasses: Savanna of the tropical and subtropical areas;

low grasses:

natural meadows: Large Meadow of the American west, Argentinian Pampa of , Veld of South Africa;
Steppe with Esparto of North Africa;
low Moor with heather of the European Atlantic West;
meadow S permanent and artificial of the moderate zones;
fields of Cereal S cultivated;

close-cropped grasses:

Tundra of the sub-Arctic zones;
alpine Lawn of the mountains
Grass of the urban lawns

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