Plants › St. John's wort family

fourpetal St. Johnswort

Hypericum tetrapetalum

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Wildlife study photograph from iNaturalist. — (c) jesshoyt, some rights reserved (CC BY-NC)

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25 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Georgia.

United States	4,346
Georgia	172
Alabama	74
South Carolina	1
Colombia	1

Counts show where people looked, not only where it lives.

Traits

Group and habits

Shrub growth formListed by a harvested source as having a shrub or bush growth form.USDA PLANTS Characteristics
Subshrub growth formListed by a harvested source as having a subshrub growth form.USDA PLANTS Characteristics
Wetland-associatedListed by a harvested source as obligate or frequent in wetland habitat.USDA PLANTS Characteristics
Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics

Classification

Kingdom	Plants · Plantae
Phylum	Vascular Plants · Tracheophyta
Class	Dicots · Magnoliopsida
Order	Nances, Willows, and Allies · Malpighiales
Family	St. John's wort family · Hypericaceae
Genus	St. John's worts · Hypericum

Sources

Names, taxonomy and observation counts: www.inaturalist.org
Photos and recordings: the creator and source are on each one.
Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
How much to rely on each source

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Practise fourpetal St. Johnswort with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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