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Eriodictyon lobbii
MATTED 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

Eriodictyon lobbii (A. Gray) Greene
NATIVE
Habit: Perennial herb, generally forming low mats > 1 m diam, rhizomed, short-glandular-hairy and dense-long-woolly-tomentose, some hairs stiff, spreading. Stem: prostrate to ascending, 16--50 cm, many-branched, woody at base occasionally or not. Leaf: 0.5--6 cm, 2--15 mm wide, oblanceolate to obovate, adaxially generally sticky, strongly rolled under, smallest clustered in axils. Inflorescence: pedicels 0--2 mm. Flower: sepals 5--12 mm, linear to narrow-lanceolate; corolla 7--12 mm, wide-funnel- to narrow-bell-shaped, purple to pink, limb 7--9 mm wide, lobes 2--3 mm, 2--4 mm wide; stamens 4--8 mm, attached 2--4 mm above corolla base, filament generally with 1--4 short hairs; style 4--6 mm. Fruit: 2--4 mm, loculicidal and septicidal. Seed: 1--2 mm, generally elliptic-ovoid, generally angled below, black, papillate. Chromosomes: 2n=28.
Ecology: Dry, sandy or rocky alluvial slopes, ridges, open pine forest; Elevation: 900--2350 m. Bioregional Distribution: KR, CaRH, n SNH, nw MP, Wrn (rare); Distribution Outside California: southern Oregon, western Nevada. Flowering Time: Jun--Aug Note: Move from Nama based on molecular data.
Synonyms: Nama lobbii A. Gray
Unabridged Note: Vegetative, flower branches dissimilar: vegetative with dark green, narrow leaves; flower with +- white, wide leaves.
eFlora Treatment Author: Gary L. Hannan
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Previous taxon: Eriodictyon crassifolium var. nigrescens
Next taxon: Eriodictyon parryi

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botanical illustration including Eriodictyon lobbii

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Citation for this treatment: Gary L. Hannan 2016. Eriodictyon lobbii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=91899, accessed on February 13, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 13, 2016.


Eriodictyon lobbii
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© 2006 Steve Matson
Eriodictyon lobbii
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© 2015 Neal Kramer
Eriodictyon lobbii
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© 2010 Julie Kierstead Nelson
Eriodictyon lobbii
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© 2006 George W. Hartwell
Eriodictyon lobbii
click for enlargement
© 2006 George W. Hartwell
Eriodictyon lobbii
click for enlargement
© 2007 Steve Matson

More photos of Eriodictyon lobbii in CalPhotos


Geographic subdivisions for Eriodictyon lobbii:
KR, CaRH, n SNH, nw MP, Wrn (rare);
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.