Important Grass Subfamilies

Important Grass Subfamilies

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

pseudopetioles

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

Fusoid cells

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

Fusoid cells

Arm cells

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

Kranz anatomy

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

Bulliform cells

Characteristics used to classify grass subfamilies DNA Leaf Characters Pseudopetioles Fusoid cells Arm cells Kranz anatomy Bulliform cells Bicellular microhairs

Bicellular microhairs

Characteristics used to classify grass subfamilies DNA Leaf Characters Floret Characters Lodicules Anthers Stigmas

lodicules

Characteristics used to classify grass subfamilies DNA Leaf Characters Floret Characters Lodicules Anthers Stigmas

anthers

Characteristics used to classify grass subfamilies DNA Leaf Characters Floret Characters Lodicules Anthers Stigmas

stigmas

Characteristics used to classify grass subfamilies DNA Leaf Characters Floret Characters Embryo Characters

epiblast

Characteristics used to classify grass subfamilies Embryo Characters Epiblast Scutellar cleft Mesocotyl internode Embryonic leaf margins

epiblast

Characteristics used to classify grass subfamilies Embryo Characters Epiblast Scutellar cleft Mesocotyl internode Embryonic leaf margins

Scutellar Cleft

Characteristics used to classify grass subfamilies Embryo Characters Epiblast Scutellar cleft Mesocotyl internode Embryonic leaf margins

Mesocotyl internode

Characteristics used to classify grass subfamilies Embryo Characters Epiblast Scutellar cleft Mesocotyl internode Embryonic leaf margins

Grass Subfamilies 1. Anomochlooideae 2. Aristidoideae 3. Arundinoideae 4. Bambusoideae 5. Chloridoideae 6. Danthonioideae 7. Micraioideae 8. Oryzoideae 9. Panicoideae 10. Pharoideae 11. Puelioideae 12. Pooideae

Lower Subfamilies Anomochlooideae Pharoideae Puelioideae Bambusoideae Above are perennial, rhizomatous, pseudopetioles, variable numbers of flower parts Bamboos monocarpic, cultural importance

Subfamily Oryzoideae Tribe Oryzeae Zizania Oryza Leersia oryzoides

Pooideae cool season grasses largest group (>4000 species) Tribe Stipeae Achnatherum, Hesperostipa, Nassella, Oryzopsis Tribe Poeae Agrostis, Alopecurus, Avena, Calamagrostis, Dactylis, Festuca, Koeleria, Lolium, Phalaris, Phleum, Poa, Puccinellia, Schedonorus, Vulpia Tribe Bromeae Bromus Tribe Triticeae Agropyron, Elymus, Hordeum, Leymus, Pascopyrum, Pseudoroegneria, Secale, Thinopyrum, Triticum

Subfamily Aristoideae Tribe Aristideae Aristida

Subfamily Panicoideae Tribe Paniceae Cenchrus, Dichanthelium, Digitaria, Echinochloa, Panicum, Setaria Tribe Andropogoneae Andropogon, Miscanthus, Schizachyrium, Sorghum, Zea Economic importance of Saccharum, Sorghum, Zea

Phragmites Subfamily Arundinoideae

Subfamily Danthonioideae Danthonia

Subfamily Chloridoideae Tribe Eragrostideae Eragrostis Tribe Zoysieae Calamovilfa, Spartina, Sporobolus Tribe Cynodonteae Bouteloua, Chloris, Distichlis, Muhlenbergia

pseudopet fusoid arm Kranz bulliform bicell micro lodicule anther stigmas embryo epiblast scutel cleft meso interno Bambusoideae Y Y Y N N Y 3 various 1-4 small Y Y N overlap Oryzoideae Y/N Y/N Y/N N Y Y 2 3-6 2 small Y Y N overlap Pooideae N N N N Y N 2 3 2 small Y N N overlap Aristidoideae N N N Y/N Y Y 2 1-3 2 s or l N Y/N Y meet Panicoideae Y/N N N Y/N Y Y 2 1-3 2 large N Y Y overlap Arundinoideae N N Y/N N Y Y 2 2-3 2 large N Y Y meet Danthonioideae N N N N Y/N Y 2 3 2 s or l N Y Y mt/ovr Chloridoideae N N N Y Y Y 2, 0 1-3 2 large Y Y Y meet emb lf marg