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Genus Christella Family Thelypteridaceae

Description: Rhizome ± erect or creeping, bearing narrow scales.

Fronds erect, 1-pinnate with the pinnae usually lobed or deeply divided; lower pinnae usually gradually reduced in size; lower surface of lamina bearing numerous fine white hairs along the veins; basal veins of the segments usually anastomosing.

Sori always with hairy indusium.


Distribution and occurrence: World: >50 species, tropical & subtropical regions. Australia: 5 species, Qld, N.S.W., S.A., W.A.

Text by Peter G. Wilson
Taxon concept:

 Key to the species 
1Basal pinnae not, or only slightly, reducedChristella parasitica
Basal 2–4 pairs of pinnae gradually reduced in size2
2Lobes of pinnae divided half to two-thirds of the way to the midrib; fronds mostly 40–80 cm high, dark green, the basal pinnae 3–5 cm longChristella dentata
Lobes of pinnae divided three-quarters of the way to the midrib; fronds usually 30–70 cm high, pale green, the basal pinnae 1.5–3 cm long
                       Back to 1
Christella hispidula

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