page_title: Humulus
section_title: Species
hierarchical_section_title: Humulus / Species
caption_attribution_description: English: Humulus japonicus in Incheon, Korea 한국어: 김포와 인천 접경 지역 어딘가에 사는 환삼덩굴 잎
context_page_description: Humulus, hop, is a small genus of flowering plants in the family Cannabaceae. The hop is native to temperate regions of the Northern Hemisphere. Hops are the female flowers of the hop species H. lupulus; as a main flavor and aroma ingredient in many beer styles, H. lupulus is widely cultivated for use by the brewing industry.
context_section_description: There are three species, one with five varieties:
  Humulus japonicus (syn. H. scandens). Asian hop. Leaves with 5–7 lobes. Eastern Asia.
  Humulus yunnanensis Asian hop from Yunnan, China.
  Humulus lupulus. Common hop. Leaves with 3–5 lobes. Europe, western Asia, North America.
  Humulus lupulus var. lupulus. Europe, western Asia.
  Humulus lupulus var. cordifolius. Eastern Asia.
  Humulus lupulus var. lupuloides (syn. H. americanus). Eastern North America.
  Humulus lupulus var. neomexicanus. Western North America.
  Humulus lupulus var. pubescens. Midwest and eastern North America.
  Brewers' hops are specific cultivars, propagated by asexual reproduction, see the article, "List of hop varieties".
caption: Humulus japonicus leaves
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