Orobanchaceae

Whorled lousewort

Pedicularis verticillata L.

Family: Orobanchaceae
Genus: Pedicularis

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Whorled lousewort (Pedicularis verticillata) — FlowerPhoto: Roman A. Lagazyuk (Роман А. Лагазюк), CC0, from iNaturalist

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Common names

By language (12)

Bulgarian: Прешленесто пропадниче
Chinese: 轮叶马先蒿, 馬先蒿, 玉山蒿草, 还阳草根
Croatian: Pršljenasti ušljivac
Czech: Všivec přeslenitý
Dutch: Kranskartelblad
English: Whorled lousewort
German: Quirlblättriges Läusekraut
hsb: Mutličkata wšowica
Japanese: タカネシオガマ
Polish: Gnidosz okółkowy
Russian: Мытник мутовчатый
Slovenian: Vretenčasti ušivec

Synonyms

Pediculariopsis verticillata (L.) Á.Löve & D.Löve
Pedicularis verticillata var. typica H.L.Li

Flowers

In flower: June to August (from 433 flowering iNaturalist observations worldwide)

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Alaska: native, Canada: native

Photos

FlowerPhoto: Roman A. Lagazyuk (Роман А. Лагазюк), CC0, from iNaturalist
FlowerPhoto: xulescu_g, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Patrick Hacker, CC BY 4.0, from iNaturalist
Photo: Σ64, CC BY 3.0, from Wikimedia Commons
Photo: Ann McKenzie, CC0, from iNaturalist
Photo: Σ64, CC BY-SA 3.0, from Wikimedia Commons
Photo: Anatas, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: Erik from Laagri, Estonia, CC BY 2.0, from Wikimedia Commons
Photo: Bert Ziems, CC BY-SA 4.0, from Pl@ntNet via GBIF
Photo: zebedeugalinha, CC BY 4.0, from iNaturalist
Photo: Meneerke bloem, CC BY-SA 3.0, from Wikimedia Commons
Photo: miloslavpittner, CC BY-SA 4.0, from Pl@ntNet via GBIF

More in Pedicularis

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.