Jepson eFlora: Key page
Vascular Plants of California
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 , not midribbed, veins netted with  veinlets; sporangia sunken in simple axis of sporophore ..... OPHIOGLOSSUM

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

2. Leaf  glabroustrophophore 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,  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



Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

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

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