tarweed vs herbaceous plant

tarweed and herbaceous plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
tarweed	Yes	No	No	No
herbaceous plant	Yes	No	No	No

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

tarweed: any of various resinous glandular plants of the genus Madia; of western North and South America
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 tarweed include herb.

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

tarweed: any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock
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 tarweed include herb.

tarweed (noun)	herbaceous plant (noun)
any of various resinous glandular plants of the genus Madia; of western North and South America	a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock