Ovate--egg-shaped with the larger end at the bottom

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Elliptic--shaped like an ellipse, tapered at both ends and with curved sides.

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Oblong--tapered to both ends, but with the sides more or less parallel

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Lanceolate--shaped like the tip of a lance, broadest at the base and tapered to a long point

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Linear--very long and thin, with the sides parallel (In this photo, the grass-like leaves are linear; they belong to the pink-flowered plant)

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Orbicular--nearly circular in outline

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Cordate--heart-shaped with the wide part at the bottom

Hastate--with two basal lobes that point straight out

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Sagittate--with two basal lobes that point backwards (toward the petiole)

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Peltate--with the petiole attached to the center of the underside of the blade

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Perfoliate--with the petiole appearing to run through the center of the leaf

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Terete--circular in cross-section. (The example shown is from a succulent plant)

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