|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Boraginaceae||View Description||Dichotomous Key|
|Genus: Lithospermum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Lithospermum ruderale Lehm.
Habit: Perennial herb; hairs +- spreading; caudex +- woody; red root dye 0. Stem: 1--several, 2--5 dm, clustered, +- unbranched. Leaf: many, crowded; blade 3--8 cm, lanceolate to linear. Inflorescence: cymes many, dense, in upper leaf axils; pedicels 1--3 mm, +- erect in fruit. Flower: corolla 9--12 mm, 1--1.5 × calyx, 7--13 mm diam, +- salverform, pale- to green-yellow, lobes entire, appendages 0. Fruit: nutlet 5--6+ mm, wide-ovoid, +- attenuate into stout tip, smooth, shiny, +- white to pale brown. Chromosomes: 2n=24.
Ecology: Open, dry slopes, plains, sagebrush steppe, conifer forest, chaparral; Elevation: (750)1200--1800 m. Bioregional Distribution: CaRH, n SNH, MP; Distribution Outside California: northwestern North America. Flowering Time: Apr--Jun Note: Homostylous; cleistogamous flowers 0.
eFlora Treatment Author: Ronald B. Kelley, Robert Patterson, Richard R. Halse & Timothy C. Messick, family description, key to genera; treatment of genera by Ronald B. Kelley
Jepson Online Interchange
Previous taxon: Lithospermum incisum
Next taxon: Mertensia
Citation for this treatment: Ronald B. Kelley, Robert Patterson, Richard R. Halse & Timothy C. Messick, family description, key to genera; treatment of genera by Ronald B. Kelley 2016. Lithospermum ruderale, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31272, accessed on December 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.