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

Subgenus SPHAEROCIONIUM Cop. in Philipp. J. Sci. 64, 1937, 164.

Sphaerocionium Presl Hymen. 1843, 33, as genus.

Fronds bearing branched or occ. simple hairs. Sori immersed; indusium us. deeply 2-valved; receptacle not exserted. About 50 spp., mostly tropical. Type: Trichomanes hirsutum L. Sp. Pl. 1753, 1098.

Key

1
Rhachis broadly winged throughout; wing decurrent along stipes
1. hirsutum
Rhachis not winged, or only in upper part; stipes not winged
2
2
Lamina segs flabellately arranged, margins minutely toothed; hairs us. rather sparse
2. lyallii
Lamina segs pinnately arranged, margins entire; hairs us. dense
3. ferrugineum
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