simple leaf - not divided into partsfoliage, leaf, leafage - the main organ of photosynthesis and transpiration in higher plants cuneate leaf - a wedge-shaped leaf having the acute angle at the base hastate leaf - shaped like a spearhead with flaring pointed lobes at the base lanceolate leaf - shaped like a lance head; tapering to a point at each end ovate leaf - egg-shaped with the broader end at the base perfoliate leaf - a leaf with the base united around--and apparently pierced by--the stem spatulate leaf - spatula-shaped; having a broad rounded apex and narrow base |