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What shapes can Freycinetia leaves have?

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Screw pine (Pandanus tectorius) — Pandanales Screw pine (*Pandanus tectorius*)

The leaves of plants in the genus Freycinetia can be linear, obovate (where the widest axis is above the middle), or ovate (where the widest axis is below the middle) in shape. These leaves are less than 2 metres (6.5 feet) long and feature membranous, earlike appendages near the base, as well as spiny margins, particularly near the tip.1