noun
lower tracheophytes in existence since the Devonian
• Syn: ↑order Equisetales
• Hypernyms: ↑plant order
• Member Holonyms: ↑Sphenopsida, ↑class Sphenopsida, ↑Equisetatae, ↑class Equisetatae
• Member Meronyms: ↑Equisetaceae, ↑family Equisetaceae, ↑horsetail family
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\\ˌ ̷ ̷ ̷ ̷ ̷ ̷ˈtā(ˌ)lēz\ noun pluralUsage: capitalized
: an order of lower tracheophytes (subdivision Sphenopsida) that have the sporangiophores inserted directly on the axis and have existed since the Devonian — see calamariaceae, equisetaceae; compare archaeocalamites
Useful english dictionary. 2012.