King's Lupine. Lupinus kingii, Legume or Pea Family: (Leguminosae), ( Fabaceae ), King's Lupine. Also called: Lupinus capitatus, Lupinus sileri. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. Lupinus kingii is an annual growing from three to twelve inches tall, with long and fine dense hairs. Its leaves are alternate, and divided into 5 (sometimes 6 to 9) leaflets which arise from a common point at the end of the short (1/2 to 1 1/2) inches long), hairy leaf stalks. Lupinus kingii was first collected in Heber Utah in about 1870 by Sereno Watson who named it in 1873. Kings lupine contains poisonous alkaloids, but is not known to be the cause of livestock poisoning. Quick Notes: Height: 3 to 12 inches. Flowers: Blue or violet, with whitish centers. Pea-like flowers about l/3 to 1/2 inch long in very elongated clusters. Produced 20�50 or more on a tall spike. Flowers can be sessile, or on short peduncles. Fruit: Pods are hairy and eventually develop a fine, pointed tip. Flowering Time: May to September, mostly during June to August. Leaves: Green, hairy, and palmately compound with 6�10 leaflets, each leaflet 1/2 to 1 3/4 inches long and 1/4 to 1/2 inches broad, on a 1/2 to 3 inch long petiole. Found: Native to the USA (AZ, CO, NM, NV, UT). Northern Arizona, from Apache to Coconino and Yavapai counties, rare southward into Graham, Cochise, and Pima counties. Hardiness: USDA Zone 3a: to -39.9 �C (-40 �F) USDA Zone 3b: to -37.2 �C (-35 �F) USDA Zone 4a: to -34.4 �C (-30 �F) USDA Zone 4b: to -31.6 �C (-25 �F) USDA Zone 5a: to -28.8 �C (-20 �F) USDA Zone 5b: to -26.1 �C (-15 �F) USDA Zone 6a: to -23.3 �C (-10 �F) USDA Zone 6b: to -20.5 �C (-5 �F) USDA Zone 7a: to -17.7 �C (0 �F) USDA Zone 7b: to -14.9 �C (5 �F) USDA Zone 8a: to -12.2 �C (10 �F) USDA Zone 8b: to -9.4 �C (15 �F) USDA Zone 9a: to -6.6 �C (20 �F) USDA Zone 9b: to -3.8 �C (25 �F) USDA Zone 10a: to -1.1 �C (30 �F) USDA Zone 10b: to 1.7 �C (35 �F) USDA Zone 11: above 4.5 �C (40 �F) Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline) Sun Exposure: Full Sun Elevation: 5,500 to 8,000 Feet. Habitat: Rocky clay or disturbed soil along highways, fields, vacant lots, and other waste areas, such as eroded or overgrazed meadows. Yellow pine, and sometimes in pinyon-juniper ranges. Miscellaneous: Photos Taken July 29, 2009. Near Black Canyon Lake, Arizona, at 7,067 feet, in the Apache-Sitgreaves National Forest between the towns of Payson and Heber-Overgaard.

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