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Vascular Plants of California
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Eriodictyon californicum
CALIFORNIA YERBA SANTA


Higher Taxonomy
Family: BoraginaceaeView DescriptionDichotomous Key
Common Name: BORAGE or WATERLEAF FAMILY
Habit: Annual to shrub or small tree, or non-green root parasite, often bristly or sharp-hairy. Stem: prostrate to erect. Leaf: basal and/or cauline, generally simple, generally alternate. Inflorescence: generally cymes, or panicle-, raceme-, head-, or spike-like, generally coiled in flower (often described as scorpioid), generally elongating in fruit, or flowers 1--2 per axil. Flower: bisexual, generally radial; sepals (4)5(10), fused at least at base, or free; corolla (4)5(10)-lobed, salverform, funnel-shaped, rotate, or bell-shaped, generally without scales at tube base, with 0 or 5 appendages at tube top, alternate stamens; stamens epipetalous; ovary generally superior, entire to 4-lobed, style 1(2), entire or 2-lobed or -branched. Fruit: valvate or circumscissile capsule or nutlets 1--4, free (fused), smooth to roughened, prickly or bristly or not.
Genera In Family: +- 120 genera, +- 2300 species: tropics, temperate, especially western North America, Mediterranean; some cultivated (Borago, Heliotropium, Echium, Myosotis, Nemophila, Phacelia, Symphytum, Wigandia). Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include Hydrophyllaceae, Lennoaceae. Wigandia urens added, as naturalized.
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, except as noted
Scientific Editor: Ronald B. Kelley, Robert Patterson, Thomas J. Rosatti, Bruce G. Baldwin, David J. Keil.
Genus: EriodictyonView DescriptionDichotomous Key


Common Name: YERBA SANTA
Habit: Perennial herb to shrub. Stem: prostrate to ascending or erect; bark shredding. Leaf: cauline, alternate. Inflorescence: generally open, terminal. Flower: corolla funnel- to urn-shaped, white, lavender, or purple, generally hairy abaxially; stamens included, filaments generally hairy; ovary chambers 2, styles 2, generally hairy. Fruit: 1--3 mm wide; valves 4. Seed: striate, dark brown or black.
Species In Genus: 11 species: southwestern United States, Mexico. Etymology: (Greek: erio, wool, plus dictyon, net, from abaxial leaves)
eFlora Treatment Author: Gary L. Hannan
Reference: Ferguson 1998 Syst Bot 23:253--268
Unabridged Reference: Hannan 1988 Amer J Bot 75:579--588
Eriodictyon californicum (Hook. & Arn.) Torr.
NATIVE
Habit: Shrub. Stem: 1--3 m; twigs glabrous, sticky (sparse-hairy). Leaf: short-petioled; blade <= 15 cm, 4--5 cm wide, lanceolate to oblong, entire to toothed, adaxially sticky, glabrous to sparse-hairy, abaxially hairy between veins in net-like pattern; margin rolled under. Flower: buds appearing dark, not gray-hairy; calyx lobes 1--4 mm, abaxially glabrous to sparse-hairy, adaxially short-stiff-hairy; corolla 8--12(17) mm, funnel-shaped, white to purple, abaxially sparse-hairy; ovary dense-hairy, style 3--8 mm. Seed: 2--20. Chromosomes: n=14.
Ecology: Slopes, fields, roadsides, woodland, chaparral; Elevation: 20--1830 m. Bioregional Distribution: NW, CaR, SN, GV, CW; Distribution Outside California: southern Oregon. Flowering Time: Apr--Jul
Jepson eFlora Author: Gary L. Hannan
Reference: Ferguson 1998 Syst Bot 23:253--268
Unabridged Reference: Hannan 1988 Amer J Bot 75:579--588
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Botanical illustration including Eriodictyon californicum

botanical illustration including Eriodictyon californicum

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Citation for this treatment: Gary L. Hannan 2016, Eriodictyon californicum, in Jepson Flora Project (eds.) Jepson eFlora, Revision 4, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=24668, accessed on May 19, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on May 19, 2019.

Eriodictyon californicum
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© 2015 Julie Kierstead Nelson
Eriodictyon californicum
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© 2009 Keir Morse
Eriodictyon californicum
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© 2016 Keir Morse
Eriodictyon californicum
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© 2006 George W. Hartwell
Eriodictyon californicum
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© 2015 Julie Kierstead Nelson
Eriodictyon californicum
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© 2008 Steve Matson

More photos of Eriodictyon californicum in CalPhotos



Geographic subdivisions for Eriodictyon californicum:
NW, CaR, SN, GV, CW
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Data provided by the participants of the  Consortium of California Herbaria.
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.