Biology:Lupinus pusillus
| Lupinus pusillus | |
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| Lupinus pusillus, Montana | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Faboideae |
| Genus: | Lupinus |
| Species: | L. pusillus
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| Binomial name | |
| Lupinus pusillus Pursh
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Lupinus pusillus, the rusty lupine[1] 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(California),[2]:159 and north to Montana.
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.[2]:159
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.[2]:159
Plant stems and leaf stems (petioles) have long spreading hairs.[2]:159
Inflorescence and fruit
It blooms from April to June.[2]:159
Flowers are in stalks of 4-38 and bluish to purple or bicolored, with a yellow spot on the upper petal.[2]:159
Seedpods are nearly oval and have constrictions separating the seeds.[2]:159
Habitat and range
It can be found in desert shrubland and pinyon juniper woodland communities, from as far north as Washington (state) , to California , and throughout the southwest.[2]:159
When growing in reddish sand, the blue flowers make a striking contrast with the sun at a low angle.[2]:159
Ecological and human interactions
It is pollinated by bees.[2]:159
References
- ↑ "Lupinus pusillus". Natural Resources Conservation Service PLANTS Database. USDA. https://plants.usda.gov/core/profile?symbol=LUPU. Retrieved 10 May 2017.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, ISBN:978-0-7627-7013-7
Wikidata ☰ Q12841444 entry
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