Loganiaceae
Lax hornpod
Mitreola petiolata
- Family
- Loganiaceae
- Genus
- Mitreola
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Common names
By language (2)
- Chinese
- 度量草, 光叶度量草
- English
- Lax hornpod
Synonyms
- Cynoctonum mitreola (L.) Britton
- Cynoctonum mitreola var. campylocarpa Hochr.
- Cynoctonum mitreola var. intermedia Hochr.
- Cynoctonum mitreola var. lilacina (Backer ex Cammerl.) Bakh.f.
- Cynoctonum mitreola var. orthocarpa Hochr.
- Cynoctonum oldenlandioides (G.Don) B.L.Rob.
- Cynoctonum paniculatum (Wall. ex G.Don) B.L.Rob.
- Cynoctonum petiolatum J.F.Gmel.
- Cynoctonum succulentum R.W.Long
- Mitreola inconspicua Zoll. & Moritzi
- Mitreola lanceolata Torr. ex H.B.Croom
- Mitreola oldenlandioides (G.Don) Wall. ex A.DC.
- Mitreola ophiorhizoides Rich.
- Mitreola paniculata Wall. ex G.Don
- Mitreola paniculata var. glabra Hoehne
- Mitreola paniculata var. lilacina Backer ex Cammerl.
- Mitreola paniculata var. oldenlandioides G.Don
- Mitreola swartzii G.Don
- Mitreola tracyi Gand.
- Ophiorrhiza lanceolata Elliott
- Ophiorrhiza mitreola L.
Flowers
- In flower
- June to October (from 163 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native, Pacific Basin: introduced, Puerto Rico: native
Photos
FlowerPhoto: Laura Clark, CC BY 4.0, from iNaturalist 
FlowerPhoto: Dinesh Valke, CC BY-SA 4.0, from iNaturalist 
FlowerPhoto: jonsense, CC BY 4.0, from iNaturalist 
FlowerPhoto: Nathan Aaron, CC BY 4.0, from iNaturalist 
FlowerPhoto: Laura Clark, CC BY 4.0, from iNaturalist 
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Scott Ward, CC BY 4.0, from iNaturalist 
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Evelyn Lazzaretti 🏳️⚧️, CC0, from iNaturalist 
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist 
Photo: Sam Kieschnick, CC BY 4.0, from iNaturalist
More in Mitreola
- Swamp hornpodMitreola sessilifoliaLoganiaceae
- Mitreola pedicellataLoganiaceae
- Mitreola petiolatoidesLoganiaceae
- Mitreola reticulataLoganiaceae
- Mitreola turgidaLoganiaceae
- Mitreola macrophyllaLoganiaceae
- Mitreola pingtaoiLoganiaceae
- Mitreola purpureonerviaLoganiaceae
- Mitreola spathulifoliaLoganiaceae
- Mitreola yangchunensisLoganiaceae
- Mitreola bullataLoganiaceae
- Mitreola crystallinaLoganiaceae
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.