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Helianthus

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Helianthus

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Also known as sunflower

Helianthus () is a genus comprising around 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. Except for three South American species, the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower (Helianthus annuus). This and other species, notably Jerusalem artichoke (H. tuberosus), are cultivated in temperate regions and some tropical regions, as food crops for humans, cattle, and poultry, and as ornamental plants. The species H. annuus typically grows during the summer

OverviewAI-generated

Helianthus is a genus of plants in the family Asteraceae, also known as Compositae. It belongs to the kingdom Plantae, phylum Tracheophyta, class Magnoliopsida, and order Asterales. The scientific name is Helianthus L., with the authority cited as L. The name derives from the Greek words helios, meaning sun, and anthos. Common names for the genus include sunflower, slunečnice, slnečnica, helianto, and suncokret. One species is commonly known as black-eyed Susan.

The genus is accepted in taxonomic databases and has been described in sources such as the Brockhaus and Efron Encyclopedic Dictionary. Specimens are recorded in countries including Mexico, the United States, and Canada. Collections are held by institutions such as UACH, INECOL, IBUNAM, CAS, and MSC. The fruit type is an achene. The Unicode character 🌻 represents the subject.

Synthesized by Vinony from 50 facts across 9 sources: Wikidata, GBIF, iNaturalist, PubMed, Gbif Occ, Plants of the World, WoRMS, iDigBio, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Species

sunflower

Helianthus

GENUS

  1. KingdomPlantae
  2. PhylumTracheophyta
  3. ClassMagnoliopsida
  4. OrderAsterales
  5. FamilyAsteraceae
Native toAlabama, Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia
Observations97,468
Observations recorded293,551

向日葵属植物包括52种以及许多亚种，全部都是起源于北美洲，但现在有许多种已经作为食物或花卉被引进到世界各地种植。 向日葵属植物的特点是具有小花聚合成盘状，周围呈放射性舌状花为中性不育花，内部盘花两性，有两个成熟后易脱落的，鳞片状冠毛；果实为瘦果。 向日葵属植物有一年生的也有多年生的，都是草本植物。

via GBIF · Kew POWO

Museum specimens

Specimen records
2,858
With media
2,239
Family
Asteraceae
Collections
UACH, INECOL, IBUNAM, CAS, MSC, UNIVERSITY OF ALBERTA MUSEUMS
Recorded in
Mexico, United States, Canada
iDigBio →

Research

5,452 papers

via PubMed

~19 min read

Encyclopedic overview

10 sections
Contents
  • Description
  • Growth stages
  • Facing the Sun (heliotropism)
  • Taxonomy
  • Formerly included
  • Uses
  • Ecology
  • Gallery
  • See also
  • References

Helianthus () is a genus comprising around 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. Except for three South American species, the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower (Helianthus annuus). This and other species, notably Jerusalem artichoke (H. tuberosus), are cultivated in temperate regions and some tropical regions, as food crops for humans, cattle, and poultry, and as ornamental plants. The species H. annuus typically grows during the summer and into early fall, with the peak growth season being mid-summer.

Several perennial Helianthus species are grown in gardens, but have a tendency to spread rapidly and can become aggressive. On the other hand, the whorled sunflower, Helianthus verticillatus, was listed as an endangered species in 2014 when the U.S. Fish and Wildlife Service issued a final rule protecting it under the Endangered Species Act. The primary threats to this species are industrial forestry and pine plantations in Alabama, Georgia, and Tennessee. They grow to and are primarily found in woodlands, adjacent to creeks and moist, prairie-like areas.

Excerpted from Wikipedia’s “Helianthus” article, available under the CC BY-SA 4.0 licence.

Gallery (28)

Available in 79 languages

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via Wikidata sitelinks · CC0