Apocynaceae
Rush milkweed
Asclepias subulata
- Family
- Apocynaceae
- Genus
- Asclepias
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Common names
By language (3)
- arz
- اسكليبياس سوبولاتا
- Chinese
- 裸茎乳草, 裸莖乳草
- English
- Rush milkweed
Characteristics
- Growth habit
- Forb/herb, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Jeffrey Johnson, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Theo van Woerden, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: DEAN IBANEZ, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Ryan Walsh, CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Merry Lenz [Guinn MS], CC BY-SA 4.0, from Pl@ntNet via GBIF 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Tyrrhium, CC BY 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 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.