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Genus Gleichenia Family Gleicheniaceae

Description: Rhizome long-creeping, the apex covered with scales.

Fronds leathery, branched one or more times, each primary lateral axis being pinnately divided or more compound; pinnules linear, usually at right angles to the axes, divided into very numerous many small segments, 1–5 mm long, often pouch-like with revolute margins; glabrous or covered with woolly scales.

Sori solitary at the base of the segment, composed of 2–4, rarely 6, sporangia.


Photo © ANBG

Distribution and occurrence: World: c. 10 species, tropical to southern temperate regions. Australia: 6 species, all States.

Text by Peter G. Wilson
Taxon concept:

 Key to the species 
1Ultimate segments of mature fronds pouch-like with strongly recurved margins; sori consisting of only 2 sporangiaGleichenia dicarpa
Ultimate segments of mature fronds flat or only slightly recurved; sori usually consisting of 3 or 4 sporangia2
2Lateral axes with stellate hairs3
Lateral axes glabrous or nearly so
                       Back to 1
Gleichenia rupestris
3Lower surface of ultimate lamina segments pale green; stellate hairs distributed ± evenly on lateral axesGleichenia microphylla
Lower surface of ultimate lamina segments glaucous; stellate hairs ± matted on lateral axes, especially on lower surfaces
                       Back to 2
Gleichenia mendellii

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