Status:
valid
Authors:
Rose ex Pittier
Source:
tro
Year:
1939
Citation Micro:
Spec. Lupinorum: 99 (1939)
WFO Identifier:
wfo-0001051761
Common Names
- Lupinus jahnii
- Jahn's Lupine
- Jahn Lupine
Description
Lupinus jahnii (also called Jahn's lupine, among many other common names) is a perennial herbaceous plant native to the western United States and Canada. It has a hairy stem and leaves, and its flowers are usually blue or purple in color. It is commonly found in dry, sunny areas, such as meadows, open woodlands, and coastal bluffs.
Uses & Benefits
Lupinus jahnii is used as a food source for livestock, as an ornamental plant in gardens, and for erosion control and soil stabilization.
Flower, Seeds and Seedlings
The flower of Lupinus jahnii is a purple-blue, pea-like flower with a yellow center. The seed is a small, dark brown, flat, kidney-shaped seed. The seedlings are small, dark green, with two cotyledons and two true leaves.
Cultivation and Propagation
Lupinus jahnii is a perennial plant that can be grown from seed. It prefers full sun and well-drained soil. To propagate, sow the seeds in spring and cover lightly with soil. Keep the soil moist until germination occurs. Once the seedlings are established, thin them to about 8 inches apart. Lupinus jahnii can also be propagated by division in the spring.
Where to Find Lupinus jahnii
Lupinus jahnii is native to the western United States, from California to Montana. It can be found in open meadows, dry hillsides, and along roadsides.
Species in the Lupinus genus
Lupinus aberrans,
Lupinus adsurgens,
Lupinus agardhianus,
Lupinus alaristatus,
Lupinus albert-smithianus,
Lupinus albosericeus,
Lupinus aliattenuatus,
Lupinus alipatulus,
Lupinus alirevolutus,
Lupinus allargyreius,
Lupinus altimontanus,
Lupinus altiplani,
Lupinus amabayensis,
Lupinus amandus,
Lupinus ammophilus,
Lupinus amnis-otuni,
Lupinus amphibius,
Lupinus ananeanus,
Lupinus angustiflorus,
Lupinus antoninus,
Lupinus apertus,
Lupinus appositus,
Lupinus arbustus,
Lupinus archeranus,
Lupinus arcticus,
Lupinus arequipensis,
Lupinus argurocalyx,
Lupinus aridulus,
Lupinus asplundianus,
Lupinus atropurpureus,
Lupinus ballianus,
Lupinus bandelierae,
Lupinus bangii,
Lupinus barkeri,
Lupinus benthamii,
Lupinus bicolor,
Lupinus bingenensis,
Lupinus bolivianus,
Lupinus boyacensis,
Lupinus brachypremnon,
Lupinus breviscapus,
Lupinus bryoides,
Lupinus buchtienii,
Lupinus burkei,
Lupinus caespitosus,
Lupinus caldasensis,
Lupinus camiloanus,
Lupinus campestris,
Lupinus carazensis,
Lupinus carchiensis,
Species in the Fabaceae family