Arum palaestinum is a species of flowering herbaceous perennial plant in the family Araceae, also known as black calla, Solomon's lily, priest's hood, kardi and Palestine arum. This plant is native to Israel, Jordan, Lebanon, and Syria, and naturalized in northwestern California. It grows 10–25 cm (0.33–0.82 ft) high. It blooms from March to April. Each plant only blooms for a day, from morning to morning. The fruit contains seeds which are distributed by birds. The seeds are brown with a hard casing.