Melissa officinalis vs herbaceous plant

As nouns, herbaceous plant is a hypernym of Melissa officinalis; that is, herbaceous plant is a word with a broader meaning than Melissa officinalis:

• Melissa officinalis: bushy perennial Old World mint having small white or yellowish flowers and fragrant lemon-flavored leaves; a garden escapee in northern Europe and North America
• herbaceous plant: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests