Venation pattern : from midnerve to areoles

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Venation pattern from midnerve to areoles
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Venation patterns
Nicotiana tabacum 54,3 cm / cm2 Betula
pubescens 64,4 cm / cm2 Betula nana 109,3 cm /
cm2 Roads (Belgium) 5 km / km2 (152 256
km) Veins (human) 40 000 km (incl. capillaries)
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Anatomy of a bifacial leaf
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Sun leafshadow leaf
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Leaf anatomy needle of Pinus
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Leaf anatomy C4-grass, with Kranz-anatomy
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Closed collateral vascular bundles, C4-type, in
Zea mays Kranz-anatomy
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Leaves of monocotyledonous plants venation
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Domatia
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Hydathode
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Phyllodia in Acacia
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Phyllodia in Acacia
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Phyllodia in Acacia
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Leaves of Romulea variation !
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Querzone, peltate leaves ascidiate leaves
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Anatomy of the leaf tip Querzone
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Anatomy of the leaf tip Querzone of
Ornithogalum longibracteatum
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Ornithogalum longibracteatum bulbils
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Bulb of onion unifacial leaf blade
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Ptyxis in relation to venation !
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Compound leaves
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Hickey 1973 typology
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey 1973
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Hickey Taylor 1991