familyPsilotaceae
genusPsilotum

Psilotum

Swartz

J. Bot. (Schrader) 1800(2): 8, 109. 1801.

John W. Thieret
Common names: Whisk-fern
Etymology: Greek psilos, naked, referring to the plant's leafless aerial shoots
Treatment appears in FNA Volume 2.
Revision as of 20:50, 16 December 2019 by FNA>Volume Importer

Plants terrestrial, sometimes epiphytic. Aerial shoots often clumped, simple proximally, dichotomously branched distally, 3(–several)-ridged. Appendages minute, bractlike, borne distally on ridges of aerial shoots, sterile appendages subulate, those subtending synangia 2-lobed. Synangia ± globose, obscurely 3-lobed.

Distribution

Tropical and warm temperate regions.

Discussion

Species 2 or 3 (1 in the flora).

Selected References

Cooper-Driver,G. 1977. Chemical evidence for separating the Psilotaceae from the Filicales. Science 198: 1260--1262.

White, R.A., D.W. Bierhorst, P.G. Gensel, D.R. Kaplan, and W.H. Wagner Jr. 1977. Taxonomic and morphological relationships of the Psilotaceae: A symposium. Brittonia 29: 1--68.

Lower Taxa

... more about "Psilotum"
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Author
John W. Thieret +
Authority
Swartz +
Common name
Whisk-fern +
Distribution
Tropical and warm temperate regions. +
Etymology
Greek psilos, naked, referring to the plant's leafless aerial shoots +
Illustration copyright
Flora of North America Association +
Illustrator
Bobbi Angell +
Number of lower taxa
1 +
Publication title
J. Bot. (Schrader) +
Publication year
1801 +
Reference
cooper-driver1977a +  and white1977a +
Source xml
https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V2/V2 419.xml +
Taxon family
Psilotaceae +
Taxon name
Psilotum +
Taxon parent
Psilotaceae +
Taxon rank
genus +
Volume
Volume 2 +