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

OPHIOGLOSSACEAE

Sporangia in close double marginal rows, eusporangiate, without annulus, bivalvate; spores thick-walled. Prothallus subterranean, fleshy, without chlorophyll; rhizome short, erect; roots thick. Lvs on naked fleshy stalks bearing basal stipule-like appendages, us. solitary, divided into an adaxial fertile and an abaxial sterile seg., not circinate in vernation. Mainly terrestrial, perennial, fleshy herbs of wide distribution.

Key

1
Lf segs pinnately branched to decompound; veins free
1. BOTRYCHIUM
Lf segs undivided; veins reticulate
2. OPHIOGLOSSUM
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