genus Equisetum


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Noun1.genus Equisetum - horsetailsgenus Equisetum - horsetails; coextensive with the family Equisetaceae
fern genus - genera of ferns and fern allies
Equisetaceae, family Equisetaceae, horsetail family - sole surviving family of the Equisetales: fern allies
horsetail - perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America
References in periodicals archive ?
These observations are intriguing evidence of the extreme isolation of the genus Equisetum and its retention of ancient features.
Morphologically, the genus Equisetum is characterized by jointed aerial stems and jointed rhizomes.
Unique Characteristics of the Genus Equisetum Among Vascular Plants
The stomata of equisetum are so unique that "a single well-preserved stomatal apparatus is all that is needed to identify the genus Equisetum (even the two subgenera) from among all other living plants" (Dayanandan, 1977).