Plants › phlox family

Tall Jacob's-ladder

Polemonium acutiflorum

Learn Tall Jacob's-ladder free How it works

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

All photos27

27 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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Photos you add are credited to you, and you keep the copyright.

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 Alaska.

United States	6,348
Alaska	1,088
Canada	975
Russia	397
British Columbia	366
Yukon	289
Kamchatka Krai	87
Yamalo-Nenets Autonomous Okrug	82
Nunavut	72
Alberta	67

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

Traits

Physical

Aquatic larvaLarval stage lives in water before becoming terrestrialFrom its classification

Group and habits

Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.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	Heathers, Balsams, Primroses, and Allies · Ericales
Family	phlox family · Polemoniaceae
Genus	Jacob's ladders · Polemonium

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

Remember the name next time.

Practise Tall Jacob's-ladder 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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