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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/