Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

OPHIOGLOSSACEAE

ADDER'S-TONGUE FAMILY

Warren H. Wagner, Jr.

Perennial, small, fleshy, generally glabrous; caudex generally underground, unbranched; roots glabrous, with bulblets or plantlets or not
Leaf generally 1 per caudex per year, divided into 2 facing parts with a common stalk; sterile part separated from fertile at to well above ground, blade simple to compound, veins free and forked (or netted, with included veinlets); fertile part bladeless, bearing sporangia, simple to compound
Sporangia dehiscent into 2 valves, ± 1 mm wide, thick-walled
Genera in family: 3 genera, 70–85 species: ± worldwide, generally rare or overlooked. Fern-like plants with many traits of seed plants. Specimens must be carefully spread and pressed for identification; haploid generation underground, fleshy, non-green, associated with fungi.

OPHIOGLOSSUM

ADDER'S-TONGUE

Roots smooth, pale, generally with bulblets or plantlets
Leaf: sterile part simple, linear to lanceolate or cordate, not midribbed, entire, firm, herbaceous, tip often with small stiff point, veins netted with included free branched or unbranched veinlets; fertile part generally > sterile, unbranched, slender
Sporangia in 2 rows, sunken in a linear, long-stalked axis
Species in genus: 20–25 species: generally warm temp, tropical
Etymology: (Greek: snake's tongue, from protruding fertile part of leaf)
Horticultural information: TRY; DFCLT.

previous taxon | next taxon
bioregional map for OPHIOGLOSSUM being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Ophioglossum
Retrieve dichotomous key for Ophioglossum
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California