Apocynaceae
Green comet milkweed
Asclepias viridiflora
- Family
- Apocynaceae
- Genus
- Asclepias
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Common names
By language (3)
- arz
- اسكليبياس فيريديفلورا
- Chinese
- 绿花马利筋, 長柄馬利筋
- English
- Green comet milkweed
Synonyms
- Acerates bifida Rusby ex A.Gray
- Acerates ivesii Wooton & Standl.
- Acerates lanceolata Steud.
- Acerates viridiflora (Raf.) Eaton
- Acerates viridiflora var. ivesii Britton
- Acerates viridiflora var. lanceolata (Torr.) A.Gray
- Asclepias ivesii (Britton) Wooton & Standl.
- Asclepias lanceolata E.Ives
- Asclepias nutans Muhl. ex Steud.
- Asclepias viridiflora var. lanceolata Torr.
- Asclepias viridiflora var. pubescenti-tomentosa Hook.
- Asclepias viridiflora var. viridiflora
- Gomphocarpus viridiflorus (Raf.) Spreng.
- Polyotus heterophyllus Nutt.
Flowers
- In flower
- June to August (from 1,101 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
FlowerPhoto: Sam Kieschnick, CC BY 4.0, from iNaturalist 
FlowerPhoto: Michelle W. （鍾偉瑋）, CC BY 4.0, from iNaturalist 
FlowerPhoto: Michael, Antoni and Nihat Hinczewski, CC BY 4.0, from iNaturalist 
FlowerPhoto: Tom Pollard, CC BY 4.0, from iNaturalist 
Photo: Becky Dill, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Esben Kjaer, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: davecz2, CC BY-SA 4.0, from iNaturalist
More in Asclepias
- BloodflowerAsclepias curassavicaApocynaceae
- Common milkweedAsclepias syriacaApocynaceae
- Butterfly milkweedAsclepias tuberosaApocynaceae
- Swamp milkweedAsclepias incarnataApocynaceae
- Showy milkweedAsclepias speciosaApocynaceae
- Woollypod milkweedAsclepias eriocarpaApocynaceae
- Whorled milkweedAsclepias verticillataApocynaceae
- Spider milkweedAsclepias asperulaApocynaceae
- Heartleaf milkweedAsclepias cordifoliaApocynaceae
- Purple milkweedAsclepias purpurascensApocynaceae
- California milkweedAsclepias californicaApocynaceae
- Clasping milkweedAsclepias amplexicaulisApocynaceae
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.