Psilotum

Swartz

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

Common names: Whisk-fern
Etymology: Greek psilos, naked, referring to the plant's leafless aerial shoots
Treatment appears in FNA Volume 2.
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 TaxonIllustrator 
FNA2 P1 Psilotum-Phlegmariurus-Huperzia pg 17.jpegHuperzia selago
Huperzia lucidula
Phlegmariurus dichotomus
Psilotum nudum
Huperzia appalachiana
John Myers
John Myers
John Myers
John Myers
John Myers

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).

Lower Taxa

... more about "Psilotum"
1-veined +  and veinless +
alternate;subopposite +
subulate +  and bractlike +
John W. Thieret +
Swartz +
branched +  and rhizoid-bearing +
subterranean +
coral-like +
Whisk-fern +
Tropical and warm temperate regions +
Greek psilos, naked, referring to the plant's leafless aerial shoots +
J. Bot. (Schrader) +
cooper-driver1977a +  and white1977a +
branched +  and simple +
3-ridged +
reniform +
3-lobed +  and globose +
Psilotum +
Psilotaceae +