Important Grass Subfamilies

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Αἴολος Κοντολέων
4 χρόνια πριν
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1 Important Grass Subfamilies

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

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

4 pseudopetioles

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

6 Fusoid cells

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

8 Fusoid cells

9 Arm cells

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

11 Kranz anatomy

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

13 Bulliform cells

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

15 Bicellular microhairs

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

17 lodicules

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

19 anthers

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

21 stigmas

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

23 epiblast

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

25 epiblast

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

27 Scutellar Cleft

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

29 Mesocotyl internode

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

31 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

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

33 Subfamily Oryzoideae Tribe Oryzeae Zizania Oryza Leersia oryzoides

34 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

35 Subfamily Aristoideae Tribe Aristideae Aristida

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

37 Phragmites Subfamily Arundinoideae

38 Subfamily Danthonioideae Danthonia

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

40 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 small Y Y N overlap Pooideae N N N N Y N small Y N N overlap Aristidoideae N N N Y/N Y Y s or l N Y/N Y meet Panicoideae Y/N N N Y/N Y Y large N Y Y overlap Arundinoideae N N Y/N N Y Y large N Y Y meet Danthonioideae N N N N Y/N Y s or l N Y Y mt/ovr Chloridoideae N N N Y Y Y 2, large Y Y Y meet emb lf marg

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