Rusty lupine facts for kids
Quick facts for kids Rusty lupine |
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| Lupinus pusillus, Montana | |
| Scientific classification | |
| Genus: |
Lupinus
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| Species: |
pusillus
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Lupinus pusillus, the rusty lupine or dwarf lupine, is an annual plant in the legume family (fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States, and north to Montana.
Contents
Description
Growth pattern
It is an annual plant growing up to 9 inches (23 cm) tall. "Pusillus is for the small size of the plant.
Leaves and stems
Leaves are compound palmate with 3-9 1⁄2 to 1+1⁄2 inches (1.3 to 3.8 cm) long inversely lance- shaped leaflets.
Plant stems and leaf stems (petioles) have long spreading hairs.
Inflorescence and fruit
It blooms from April to June.
Flowers are in stalks of 4-38 and bluish to purple or bicolored, with a yellow spot on the upper petal.
Seedpods are nearly oval and have constrictions separating the seeds.
Habitat and range
It can be found in desert shrubl and pinyon juniper woodland communities, from as far north as Washington, to California, and throughout the southwest.
When growing in reddish sand, the blue flowers make a striking contrast with the sun at a low angle.
Ecological and human interactions
It is pollinated by bees.
