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annual agoseris
Scientific Name: Agoseris heterophylla var. turgida
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Agoseris heterophylla: Annual Agoseris (Mountain Dandelion)
Agoseris heterophylla, belonging to the Asteraceae (sunflower) family, is commonly known as annual agoseris or mountain dandelion. It is also referred to as annual goatsbeard and annual false-dandelion.
Taxonomy and Nomenclature
- Scientific Name: Agoseris heterophylla (Nutt.) Greene
- Family: Asteraceae (Sunflower family)
- Synonyms:
- Troximon chilense
- Troximon heterophyllum
- Agoseris heterophylla (Nutt.) Greene ssp. californica (Nutt.) Piper
- Agoseris heterophylla (Nutt.) Greene ssp. normalis Piper
- Varieties/Subspecies:
- Agoseris heterophylla var. heterophylla
- Agoseris heterophylla subsp. californica (Nutt.) Piper
Distribution and Habitat
Agoseris heterophylla is native to North America (CAN N L48 N) and is found in California. It also grows in Washington State, Oregon, and the Sierra Nevada region.
Morphological Characteristics
- Growth Habit: Forb/herb
- Duration: Annual
- General: It is a scapose, slender annual, usually glabrous, with several scapes from the base, typically reaching 3-40 cm in height.
- Juice: Contains milky juice.
- Leaves: Leaves form a basal rosette, are egg-shaped (widest at the top), and may be covered with tiny, soft to rough hairs.
Considerations for Pets
- The plant contains milky juice.
Considerations for Children
- The plant contains milky juice.
Further Information
- USDA NRCS Idaho Plant Guide
- Flora of North America (FNA)
- Encyclopedia of Life (EOL)
- Oregon Flora Project