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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Grammitis Sw.

GRAMMITIS Swartz, 1801

Sori round to oblong; sporangia pedicelled; spores without epispore, with or without paraphyses. Rhizome paleate; fronds simple to pinnatifid, not articulate to rhizome; veins free, once or more forked, only occ. anastomosing. Over 300 spp. (if Ctenopteris be included) of wide distribution.

Key

1
Lamina pinnatifid, lobes up to 5 cm. or more long
1. heterophylla
Lamina simple, entire, or at most obscurely toothed
2
2
Rhizome stout, c. 1 cm. diam. including paleae; lamina harsh, rigid, coriac., up to 15 cm. × 15 mm
2. crassa
Rhizome slender, c. 5 mm. diam. including paleae; lamina membr. to coriac., not harsh, not rigid, mostly not over 10 cm. × 5 mm., often much less
3
3
Lamina ciliate on margins, especially towards base, ± hairy on both surfaces; sori with cop. long hairs
3. ciliata
Lamina glab. or very nearly so; sori without cop. long hairs
4
4
Fronds close-set, tufted, up to 10 cm. or more long; coenosori us. ∞
4. billardieri
Fronds distributed along rhizome, approximate to crowded, seldom over 2 cm. long, us. more coriac. to almost fleshy; coenosori few
5. pumila
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