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    THIS PAGE IS NO LONGER UPDATED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.

GUNNERACEAE

GUNNERA FAMILY

Elizabeth McClintock

Perennial, often large, terrestrial or semi-aquatic, rhizomed, monoecious or dioecious
Stem ± 0
Leaves simple, generally alternate, from rhizome, often large; stipules 0 or scale-like; blades < to > petioles, ± round to reniform or ovate, generally toothed or lobed
Inflorescence: spike or panicle of spikes, terminal or from upper axils, large; flowers many, often pistillate below, staminate above, bisexual between
Flower very small; sepals generally 2 or ± 0; petals 2 or 0; stamens 1–2; ovary inferior, chamber 1, styles 2
Fruit: drupe
Genera in family: 1 genus, ± 35 species: Mex, s hemisphere; several cultivated. Sometimes included in Haloragaceae.

GUNNERA


Etymology: (J.E. Gunner, Norwegian bishop, botanist, 1718–1773)
Reference: [Osborne et al. 1991 Bioscience 41:224–234]
Blue-green algae sometimes in live rhizome, or roots, fix nitrogen for host plant.

previous taxon | next taxon
bioregional map for GUNNERA being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Gunnera
Retrieve dichotomous key for Gunnera
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