bloodwood tree vs Pterocarpus

bloodwood tree and Pterocarpus both are nouns.

Word	Noun	Adjective	Verb	Adverb
bloodwood tree	Yes	No	No	No
Pterocarpus	Yes	No	No	No

bloodwood tree (noun)	Pterocarpus (noun)
spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dye	genus of tropical trees or climbers having usually broadly winged pods
deciduous South African tree having large odd-pinnate leaves and profuse fragrant orange-yellow flowers; yields a red juice and heavy strong durable wood