Ionactis alpina
| Ionactis alpina | |
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| Scientific classification | |
| Kingdom: | Plantae
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| (unranked): | Angiosperms
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| (unranked): | |
| (unranked): | |
| Order: | |
| Family: | |
| Genus: | |
| Species: | I. alpina
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| Binomial name | |
| Ionactis alpina | |
| Synonyms[1] | |
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Ionactis alpina (formerly Aster scopulorum; common name Lava Ankle-aster) is a species of aster known by the common name lava aster. It is native to western United States from California to Montana,[2] where it grows in dry areas.[3]
Description[]
Ionactis alpina is a perennial herb growing from a caudex and fibrous root system. It produces a short, mostly erect, hairy stem up to 12 centimeters (4.8 inches) in height. Most of the small leaves are on the lower part of the stem. They are up to about a centimeter (0.4 inches) long, oval to lance-shaped and pointed, somewhat stiff and coated in hairs.[4]
The inflorescence bears solitary flower heads with purple-green phyllaries, 7–21 thin blue, purple, or occasionally white ray florets surrounding 19–50 long yellow disc florets. The fruit is a hairy achene.[4]
References[]
External links[]
- Jepson Manual Treatment - Ionactis alpina
- United States Department of Agriculture Plants Profile; Ionactis alpina
- Ionactis alpina in the CalPhotos photo database, University of California, Berkeley
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- Astereae
- Flora of the Western United States
- Plants described in 1834
- Astereae stubs