View source for Humulus

{{Treatment/ID
|accepted_name=Humulus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 1028. 175
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 453. 1754
|year=1754
}}
|common_names=Hop;houblon
|basionyms=
|synonyms=
|hierarchy=Cannabaceae;Humulus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cannabaceae]]</div><div class="higher-taxon"><small>genus</small>[[Humulus]]</div></div>
|etymology=Latin humulus, applied to hop plant
|volume=Volume 3
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> taprooted annuals or rhizomatous perennials, rightward-twining. <b>Stems</b> usually branched, armed with rigid 2-branched, stalked hairs that facilitate climbing. <b>Leaves</b> simple; petioles often twining, with 2-branched hairs. <b>Leaf</b> blade mostly cordate, palmately lobed, sometimes unlobed; surfaces abaxially resin-dotted and×or gland-dotted. <b>Inflorescences</b>: staminate inflorescences axillary and terminal, cymose panicles, erect to pendent, (10-)20-100+-flowered, flowers small; pistillate axillary, spikes or racemes, flowers solitary or paired, short-pedicellate, subtended by bracts and bracteoles. <b>Staminate</b> and pistillate flowers usually on different plants. <b>Achenes</b> lenticular or terete, ensheathed by brownish or sometimes mottled persistent perianth; embryo coiled. <b>x</b> = 10.</span><!--

-->{{Treatment/Body
|distribution=Temperate Northern Hemisphere.
|discussion=<p>Species 3 (2 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=small1978a
|text=Small, E. 1978. A numerical and nomenclatural analysis of morpho-geographic taxa of Humulus. Syst. Bot. 3: 37-76.
}}{{Treatment/Reference
|id=small1980a
|text=Small, E. 1980. The relationships of hop cultivars and wild variants of Humulus lupulus. Canad. J. Bot. 58: 676-686.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Veins on abaxial surfaces of leaf blades pubescent, with stiff hairs; marginal areas of adaxial surfaces of younger leaf blades with stiff cystolithic hairs; petioles usually longer than blades; margins of pistillate bracteole densely ciliate-hairy; anthers without glands.
|[[Humulus japonicus|Humulus japonicus]]
|-id=key-0-1
|1
|Veins on abaxial surfaces of leaf blades glabrous or with soft pubescence, without straight, erect hairs; marginal areas of adaxial surfaces of younger leaf blades with few or no cystolithic hairs; petioles usually shorter than blades; margins of pistillate bracteole not ciliate-hairy; anthers glandular.
|[[Humulus lupulus|Humulus lupulus]]
|}
</div></div><!--

-->{{#Taxon:
name=Humulus
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=
|basionyms=
|family=Cannabaceae
|distribution=Temperate Northern Hemisphere.
|reference=small1978a;small1980a
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=;1754
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_1119.xml
|genus=Humulus
}}<!--

-->[[Category:Treatment]][[Category:Cannabaceae]]