genus Psilophyton

Từ điển WordNet v3.1 - WordNet Dictionary

noun

type genus of the Psilophytaceae: genus of small wiry herbaceous Paleozoic plants with underground rhizomes and apical sporangia
• Hypernyms:
fern genus
• Member Holonyms:
Psilophytaceae, family Psilophytaceae
• Member Meronyms:
psilophyton