leaf blade

Green surface area

The leaf blade is the broad, flat part of a leaf—the main photosynthetic surface, as distinct from the stalk (petiole) that attaches it to the stem.

In botanical descriptions, blade specifies this expanded portion: The leaf blade was deeply lobed and covered with fine hairs.

Related

photosynthesis · stomata · transpiration · mesophyll · spongy tissue · cuticle · trichomes · venation · foliage · food source · water regulation · apex · light absorption · water retention · sheath · palm · wilted · fallen leaves

Categories
Opposites
leaf anatomy

leaf bladepetiole

A leaf's supporting stem

stem · midrib · rachis · stipule · node

plant structure function

leaf bladeroot

Underground absorbing structure

stem · stalk · trunk · bark · vascular tissue

Family

leaf, blade, bladed

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G