English: Whisk fern.
Name: nudum means naked in Latin.
Genus: 2 species.
Region: tropical Africa, Central America, tropical and subtropical North America, South America, tropical Asia, Australia, Hawaii, southern Japan, Lord Howe Island, New Zealand, Spain.
Habitat: tropical epiphytic; temperate in rock crevices.
Use: ornamental; spores as talcum powder; medicinally as a purge; branch stems for game play, cockfighting; making traditional Hawaiian leis; branches for a small broom.
BotanyFern.
Roots: lacking; rhizome; epiphytes.
Stem: chicken feet like.
Leaves: greatly reduced, heavily influenced by auxin concentrations.
Development: embryo has only two parts, a distal shoot apex and a proximal foot.