What do these have in common? Corn Barley Bulgur wheat Oats Popcorn Rice Rye Wheat Wild rice Durum wheat Semolina wheat Sorghum Spelt Teff Triticale Fonio.

What do these have in common?CornBarleyBulgur wheatOatsPopcornRiceRyeWheatWild rice

Durum wheatSemolina wheatSorghumSpeltTeffTriticaleFonioKamutMillet

Grasses• Have been grown as food for domesticated

animals for up to 6,000 years. • Have been used for paper-making since 2400

BC or before. • Provide the majority of food crops, and have

many other uses, such as feeding animals, and for lawns.

• There are many minor uses (e.g., bamboo is a grass, so all bamboo products fit here).

• Grasses are familiar to most human cultures.

GrassesBecame widespread in the late Cretaceous

But how do we know?

Coprolite

Coprolites

Grasses

• have several main roots of the same size.• leaves make a big part of grass plants,, • most grasses have short stems covered

by leaf bases.. • grasses are efficient in photosynthesis

Grasses and…

• How are they alike and different?

Grasses and…

• How are they alike and different?

Grasses and…

• How are they alike and different?

Grasses and…

• How are they alike and different?

Or, for the botanists…

Image from:http://www.lsuagcenter.com/en/crops_livestock/crops/rice/weed+control/parts+of+grass+spikelet.htm

http://en.wikipedia.org/wiki/Poaceae

Grass Family (family: Poaceae)http://www.getting-started-with-healthy-eating.com/list-of-grains.html

BarleyBulgur wheatCornDurum wheatFonioKamutMilletOatsPopcornRiceRyeSemolina wheatSorghumSpeltTeffTriticaleWheatWild rice

Gluten-Containing Grains• Barley

Bulgur wheatDurum wheatKamutOats (may contain a gluten analogue; usually contaminated by gluten in processing)Semolina wheatSpeltTriticaleWheat

Non-Grain Foods In The Grass Family• These foods come from other parts of

Grass Family plants.Bamboo shootsBarleygrassLemongrass (citronella)MolassesRapaduraSugarcaneWheatgrass

How do seeds start to grow?

• Dried beans• Soaked beans• Bromothymol Blue• Aquarium air pump (optional)

Grass Heads• http://www.yates.com.au/child/how-to/school-holiday-

project-growing-grass-heads/

• http://familyfun.go.com/crafts/grass-head-guys-673724/