peduncle vs scape

peduncle and scape both are nouns.

Word	Noun	Adjective	Verb	Adverb
peduncle	Yes	No	No	No
scape	Yes	No	No	No

As nouns, scape is a hypernym of peduncle; that is, scape is a word with a broader meaning than peduncle:

peduncle: stalk bearing an inflorescence or solitary flower
scape: erect leafless flower stalk growing directly from the ground as in a tulip

Other hypernyms of peduncle include flower stalk.

peduncle (noun)	scape (noun)
a bundle of myelinated neurons joining different parts of the brain	(architecture) upright consisting of the vertical part of a column
stalk bearing an inflorescence or solitary flower	erect leafless flower stalk growing directly from the ground as in a tulip
the thin process of tissue that attaches a polyp to the body