Leaf Blades and Petioles

Posts Related to Leaf Blades and Petioles

• Simple Leaves vs. Compound Leaves

  The diagram shows two types of leaves: Simple Leaves: A single leaf is attached to the stem. While most are attached by a petiole, it ...

• Plant Osmosis

  Plant cells are surrounded by rigid walls made of cellulose (plant fiber), but water can still move through these walls to go in and out ...

• Why Dead Leaves Stay Attached to Stems

  When a branch or even a stem is cut from a deciduous tree, why do the leaves stay attached to stems? http://en.wikipedia.org/wiki/Abscission Special cells attach ...

• Why Autumn Leaves Fall

  Autumn, is often call "FALL." because it is a season when many deciduous trees drop their leaves. What causes these leaves to fall? In deciduous ...

• Capillary Action

  Capillary Action is also called wicking, which is the ability of a substance to draw another substance into it. In the diagram, three different size ...

• Seed Parts

  The diagram shows shows the inside of a pinto bean. The embryo is the part of the bean seed that develops into a bean plant. ...

• Plant Root and Shoot System

  Plants have two Organ Systems: the shoot system and the root system. 1. The shoot system is above ground. This system includes these organs: stems, ...

• Fast Plant Movement

  The leaves of the Mimosa plant in the video close when touched. Even wind triggers leaf closing. This fast plant movement is not a growth ...

• Geotropism

  Upside Down Planter There is a special Planter advertised on TV that allows you to grow a tomato plant upside down. I wondered how successful ...

• Transpiration

  Transpiration is the loss of water from a plant's surface, generally from the leaves. Transpiration rate is a measure of how much water is lost ...