Jepson Herbarium
		University of California, Berkeley

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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 per; 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: n temperate. (Probably latinized from Low German: hop)

Perennial.
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;

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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].

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Bioregions in which taxon occurs	Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; 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 have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.