Apiaceae
Hare's ear
Bupleurum rotundifolium
- Family
- Apiaceae
- Genus
- Bupleurum
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Common names
By language (12)
- Arabic
- أذن الأرنب, حلبلاب
- Belarusian
- Валодаўнік
- Chinese
- 圆叶柴胡
- Czech
- Prorostlík okrouhlolistý
- Dutch
- Doorwas
- English
- Hare's ear
- Finnish
- Pyöröjänönputki
- French
- Buplevre a feuilles rondes
- German
- Rundblättriges Hasenohr, Acker-Hasenohr, Durchwachsenes Hasenohr
- Russian
- Ласик, Ласковец, Ласковица
- Slovenian
- Okroglolistna prerast
- Spanish
- Haloche, Perfoliata
Synonyms
- Bupleurum perfoliatum Lam.
- Bupleurum perfoliatum var. rotuncifolium (L.) Desv.
- Bupleurum perfoliatum var. rotundifolium (L.) Desv.
- Bupleurum rotundifolium f. oblongum Bornm. ex H.Wolff
- Bupleurum rotundifolium f. typicum H.Wolff
- Bupleurum rotundifolium var. alpinum Lapeyr.
- Bupleurum rotundifolium var. petiolatum Gray
- Diatropa rotundifolia (L.) Dumort.
- Perfoliata rotundifolia (L.) Fourr.
- Perfolisa obtusifolia Raf.
- Selinum perfoliatum (Lam.) E.H.L.Krause
- Tenoria rotundifolia Bubani
Flowers
- In flower
- May to July (from 70 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Canada: introduced, Lower 48 states: introduced
Photos
FlowerPhoto: Daniel Cahen, CC BY 4.0, from iNaturalist 
FlowerPhoto: Jo Roberts, CC BY 4.0, from iNaturalist 
FlowerPhoto: Sam Kieschnick, CC BY 4.0, from iNaturalist 
FlowerPhoto: Frank, CC BY 4.0, from iNaturalist 
Photo: Stefan.lefnaer, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist 
Photo: Hugues Tinguy, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Hugues Tinguy, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist 
Photo: Marie Portas, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Thierry Arbault, CC BY 4.0, from iNaturalist 
Photo: Hugues Tinguy, CC BY-SA 2.0, from Wikimedia Commons
More in Bupleurum
- Chinese thoroughwaxBupleurum falcatumApiaceae
- Bupleurum tenuissimumApiaceae
- Shrubby Hare's earBupleurum fruticosumApiaceae
- Bupleurum aureumApiaceae
- Lanceleaf thorow waxBupleurum lancifoliumApiaceae
- Bupleurum ranunculoidesApiaceae
- Bupleurum rigidumApiaceae
- Bupleurum chinenseApiaceae
- Bupleurum longifoliumApiaceae
- Bupleurum stellatumApiaceae
- Bupleurum baldenseApiaceae
- Bupleuro delle MadoniBupleurum elatumApiaceae
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.