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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Blechnaceae Newman

BLECHNACEAE

Sori discrete or fused to form coenosori. Indusium marginal or superficial, || costa. Sporangia crowded, rather large; annulus vertical, interrupted. Spores bilateral, reniform to subglobose, us. smooth and with perispore. Rhizome dictyostelic, erect or creeping, sts forming a distinct caudex. Paleae not clathrate; stipes not articulated to rhizome, with several vascular strands. Fronds mostly bipinnate; veins free, forked, sts anastomosing. Prothallus cordate. About 5 genera of terrestrial ferns of wide distribution.

Key

1
Sori discrete, in one or more rows on each side of costa
1. DOODIA
Sori in a continuous line
2. BLECHNUM
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