lyre-flower vs herbaceous plant

lyre-flower and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
lyre-flower	Yes	No	No	No
herbaceous plant	Yes	No	No	No

As nouns, herbaceous plant is a hypernym of lyre-flower; that is, herbaceous plant is a word with a broader meaning than lyre-flower:

lyre-flower: garden plant having deep-pink drooping heart-shaped flowers
herbaceous plant: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests

Other hypernyms of lyre-flower include herb.

lyre-flower (noun)	herbaceous plant (noun)
garden plant having deep-pink drooping heart-shaped flowers	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests