Jepson eFlora
Key to families | Table of families and genera

Key to Ophioglossaceae

View taxon page for Ophioglossaceae

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Trophophore simple, entire, not midribbed, veins netted with included veinlets; sporangia sunken in simple axis of sporophore ..... OPHIOGLOSSUM

1' Trophophore generally compound (small, simple, entire or 0), generally midribbed, veins free, forked; sporangia sessile or short-stalked, not sunken, in generally pinnately branched sporophore

2. Leaf bud glabrous, trophophore generally < 10 cm wide, generally 1–2-pinnate (0) ..... BOTRYCHIUM

2' Leaf bud hairy, trophophore generally > 10 cm wide, generally 2–4-pinnate

3. Leaf deciduous, sporophore and trophophore joined well above ground level; trophophore sessile, blade thin, membranaceous ..... BOTRYPUS

3' Leaf evergreen for 1 year, sporophore and trophophore joined at to slightly below ground level; trophophore stalked, blade thick, leathery ..... SCEPTRIDIUM


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Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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