|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Tree, shrub, or erect or twining perennial herb; dioecious or flowers staminate and bisexual, wind-pollinated; epidermis with stiff hairs, glandular or not; sap watery. Leaf: petioled; simple, unlobed or palmately lobed or compound, all alternate or lower opposite. Inflorescence: terminal or axillary, unisexual or with both male and bisexual flowers. Flower: perianth parts 4–6, free or fused; stamens 0 or 4–6; ovary 0 or 1, superior, chamber 1, ovule 1, style 1, short, stigmas 2, slender, plumose. Fruit: drupe or achene, occasionally ± enclosed in persistent perianth.
11 genera, ± 100 species: temperate, tropical areas worldwide. [Sytsma et al. 2002 Amer J Bot 89:1531–1546] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Unabridged references: [Mitchell 1988 Bull New York State Mus Nat Hist 464:17–23]
Key to Cannabaceae
Annual, perennial herb, twining herbaceous vine, hairs occasionally forked. Leaf: lower opposite, palmately 3–5-lobed, upper alternate, unlobed. Staminate inflorescence: panicle, ± open. Pistillate inflorescence: head- or cone-like, generally pendent (erect). Pistillate flower: perianth parts fused into short, unlobed tube or ring, persistent. Fruit: enclosed in enlarged perianth subtended by papery bract.
2 species: northern temperate. (Probably latinized from Low German: hop)
Perennial herb. Leaf: generally 3–5-lobed; blade ± cordate, coarsely serrate. Pistillate inflorescence: 2.5–5 cm, ± oblong in fruit.
Uncommon. Disturbed places, persisting from cultivation; < 3000 m. Outer North Coast Ranges, Cascade Range, n&c Sierra Nevada, South Coast, Western Transverse Ranges, San Gabriel Mountains; native to Eurasia. [Humulus lupulus var. neomexicanus A. Nelson & Cockerell] Ornamental vine and cultivated as major flavor source for beer. Apr–Aug [Online Interchange]
Previous taxon: Humulus
Next taxon: Caprifoliaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 24 2014
Citation for this treatment: [Author of taxon treatment] 2012. Humulus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28532, accessed on Apr 24 2014
Copyright © 2013 Regents of the University of California
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.
See CalPhotos for additional images
© 2005 John B. Nelson
|Bioregions in which Humulus lupulus occurs|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
|View elevation by latitude chart|| Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month