|University of California, Berkeley|
|Directory News Site Map Home|
Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Stem: bark peeling; stem center brown, partitioned at nodes; tendril tips without adhering disks.
Leaf: simple, crenate to serrate.
Inflorescence: panicle of often head- or umbel-like clusters.
Flower: unisexual or bisexual; calyx ± green, lobes 0 or short; petals adherent at tips, ± yellow; stamens 3–9 mm, generally erect, in pistillate flowers reflexed and sterile or 0; nectaries ± free glands.
Fruit: 4–20 mm wide, spheric to ovoid, glaucous or not.
Seed: 1–4, obovoid.
65 species: temperate, subtrop. (Latin: vine) Vitis californica, Vitis girdiana differ in nuclear rDNA sequences.
Unabridged references: [Olmo & Koyama 1980 Proc 3rd Intl Symp Grape Breeding 33–41]
1. Fl bisexual; fruit spheric to ovoid, skin adherent to pulp; stem hairy, generally glabrous in age ..... V. vinifera
1' Fl unisexual; fruit spheric or 0, skin separating from pulp; stem ± tomentose or glabrous
2. Lf reniform, glabrous, ± folded at midrib; stem climbing or not, < 1 m ..... [V. rupestris]
2' Lf cordate to reniform, ± tomentose, not folded at midrib; stem climbing, > 1 m
3. Fr purple, glaucous, generally > 8 mm wide if seeds 3–4; round structure opposite seed attachment scar generally raised; stipules generally < 3.5 mm; stem tomentose when young, less so in age, nodal partitions generally 3–4 mm thick ..... V. californica
3' Fr black, ± not glaucous, generally < 8 mm wide if seeds 3–4; round structure opposite seed attachment scar generally sunken; stipules generally > 3.5 mm; stem densely tomentose in youth, ± remaining so in age, nodal partitions generally 2–3 mm thick ..... V. girdiana
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.