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|Family: Boraginaceae||View Description||Dichotomous Key|
|Genus: Phacelia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Phacelia umbrosa Greene
Habit: Annual 15--45 cm. Stem: decumbent to erect, weak, generally branched, sparsely stiff-hairy, glandular distally. Leaf: 25--90 mm; blade > petiole, +- ovate, generally compound, segments crenate to lobed. Inflorescence: +- open proximally, dense distally, generally unbranched. Flower: calyx lobes 3--5 mm, 5--7 mm in fruit, not alike, especially in fruit, linear to narrowly ovate to oblanceolate, long-hairy; corolla late-deciduous, 3--6 mm, narrowly bell-shaped, pale blue to lavender, scales fused to filament bases, ovate; stamens 4--10 mm, glabrous; style 7--12 mm, cleft 2/3, glabrous. Fruit: 2.5--3.5 mm, ellipsoid, +- puberulent proximally, sparsely short-hairy distally. Seed: 2--4, 1.5--2 mm, pitted.
Ecology: Uncommon. Chaparral, oak/pine woodland; Elevation: 1000--1600 m. Bioregional Distribution: PR; Distribution Outside California: Baja California. Flowering Time: Jun--Jul Note: Relationship to Phacelia distans needs study.
Synonyms: Phacelia hispida (A. Gray) A. Gray var. umbrosa (Greene) Brand
eFlora Treatment Author: Genevieve K. Walden, Robert Patterson, Laura M. Garrison & Debra R. Hansen
Jepson Online Interchange
Previous taxon: Phacelia thermalis
Next taxon: Phacelia vallicola
Citation for this treatment: Genevieve K. Walden, Robert Patterson, Laura M. Garrison & Debra R. Hansen 2016. Phacelia umbrosa, Revision 1, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=37582, accessed on February 14, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 14, 2016.