Apocynaceae
Mexican whorled milkweed
Asclepias fascicularis
- Family
- Apocynaceae
- Genus
- Asclepias
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Common names
By language (4)
- arz
- اسكليبياس الحزميه
- English
- Mexican whorled milkweed, Narrow-leaf milkweed
- German
- Schmalblättrige Seidenpflanze
- Swedish
- Smalbladig sidenört
Synonyms
- Asclepias fasciculata Hemsl.
- Asclepias macrophylla Nutt.
- Asclepias macrophylla var. comosa Durand & Hilg.
Flowers
- In flower
- June to August (from 3,122 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: LJ Moore-McClelland, CC BY 4.0, from iNaturalist 
FlowerPhoto: klicklo, CC BY 4.0, from iNaturalist 
FlowerPhoto: Steve Matson, CC BY 4.0, from iNaturalist 
FlowerPhoto: Ken-ichi Ueda, CC BY 4.0, from iNaturalist 
Photo: Eric Hunt, CC BY-SA 3.0, from Wikimedia Commons 
Photo: No machine-readable author provided. Curtis Clark assumed, CC BY-SA 2.5, from Wikimedia Commons 
Photo: Matt Berger, CC BY 4.0, from iNaturalist 
Photo: Charles E. Jones, CC BY-SA 2.5, from Wikimedia Commons 
Photo: Trevor Schalla, CC0, from iNaturalist 
Photo: glmory, CC0, from Wikimedia Commons 
Photo: mtarsa, CC0, from iNaturalist 
Photo: peganum from Small Dole, England, CC BY-SA 2.0, from Wikimedia Commons
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.