叶脉和叶序 Leaf venation and phyllotaxis ●叶脉 ●羽状脉 pinnate venation ●掌状脉 palmate venation 平行脉 parallel venation pinnate pal mate 叶序:叶在茎上的排列方式L业 venation ●互生 alternate ●对生 opposite ●轮生 verticillate or Whorled parallel venation opposite
叶脉和叶序 Leaf Venation and Phyllotaxis z 叶脉 z 羽状脉 pinnate venation pinnate venation z 掌状脉 palmate venation palmate venation z 平行脉 parallel venation parallel venation z 叶序：叶在茎上的排列方式 叶在茎上的排列方式 z 互生 alternate alternate z 对生 opposite opposite z 轮生 verticillate verticillate or whorled whorled
P小yy叶序:lert互生, opposIte对生, whored or yerijcillaie轮生 verticillate fascicle
Phyllotaxy Phyllotaxy 叶序： alternate alternate互生， opposite opposite对生， whorled or verticillate whorled or verticillate 轮生 alternate opposite verticillate fascicle
Leaf veins of the pumpkin
Leaf veins of the pumpkin
y64 5 3
Liriodendron tulipifera l 北美鹅掌楸
Liriodendron tulipifera L. 北美鹅掌楸