The slender false dragonhead (Physostegia intermedia) belongs to Lamiaceae (the Mint family). It is a perennial herb that is native to the mid-southern United States. This herb grows in stream banks, flood plains, and marshes, and can reach 30-150 cm in height. This plant will grow in shallow, standing water. The stem is slender, solitary and usually unbranched. The leaves are linear to lanceolate, and arranged in opposite. The purple-streaked, lavender, funnel-shaped flowers bloom in the terminal spikes from May to July. This flowers attract butterflies and hummingbirds.