bot3: the monocotyledonous plants
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The
Monocotyledonous Plants
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Monocots
Root system: fibrous with
adventitious roots (wiry root system);
type of stele: siphonostele
Leaves: sessile(no petiole), parallel
venation, with leaf sheath
Stem: do not exhibit secondary
growth, type of stele: atactostele
Generally herbaceous
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A- Zea mays rootsection
B-stem section
C- leaf section
A
B C
Bulliform cells/
motor cells
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Flowers: floral parts usually in
multiples of 4-6
Seed: 1 cotyledon, albuminous (withendosperm at maturity) and exhibits
hypogeal type of germination
Monocots
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monocolpate pollen grain
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D. Magnoliophyta C. Liliopsida
O. Alismatales F. Araceae Colocasia esculenta
O. Asparagales F.Orchidaceae Dendrobium, Vanda
O. Liliales F. Amaryllidaceae Zephyranthes
atamasco
Allium cepa
O. Arecales F. Arecaceae Cocos nucifera
O. Poales F. Poaceae Oryza sativa
Eleusine indicaF. Cyperaceae Cyperus difformis
O. Zingiberales F. Zingiberaceae Zingiber officinale
F. Musaceae Musa sapientum
F. Heliconiaceae Heliconia
Monocots
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Order Alismatales
Family Araceae
Colocasia esculenta
Corm (stem), spadix (inflorescence),bilobed leaf margin
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Order Asparagales
Family Orchidaceae
Dendrobium
Vanda
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Order Liliales
Family Amaryllidaceae
Zephyranthes atamasco
Allium cepa
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Order Arecales
Family Arecaceae (palmae)
Cocos nucifera
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Order Poales
Family Poaceae
Oryza sativabulliform cells
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Order Poales
Family Cyperaceae
Cyperus difformis
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Order Zingiberales
Family Zingiberaceae
Zingiber officinale
Hedychium coronarium
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Family Musaceae
Musa sapientum
Order Zingiberales
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Family Heliconiaceae
Heliconia
Order Zingiberales
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