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Eriodictyon crassifolium var. nigrescens
BICOLORED 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
Species: Eriodictyon crassifoliumView Description 

Stem: 1--3 m; twigs dense-tomentose. Leaf: petiole 3--15 mm; blade 3--17 cm, 10--40 mm wide, lanceolate to ovate, +- entire to coarse-toothed, adaxially sparse-hairy to dense-tomentose, abaxially tomentose. Flower: calyx lobes 2--4 mm, dense-long-hairy; corolla 6--16 mm, funnel-shaped, lavender, abaxially dense-hairy; styles 3--8 mm. Seed: 8--14. Chromosomes: n=14.
Note: Varieties intergrade, +- distinguished by stem, leaf hairs.

Eriodictyon crassifolium var. nigrescens Brand
NATIVE
Stem: dull +- green, moderate-hairy, sticky, brown, hairs short. Leaf: lanceolate, sticky between hairs, adaxially sparse- to moderate-short-hairy, dull +- green, abaxially tomentose, +- green, net-veined. Flower: corolla 6--10 mm.
Ecology: Slopes, roadsides, washes, river bottoms, mesas, chaparral, woodland; Elevation: 100--2440 m. Bioregional Distribution: Teh (rare), SCoRO, SCo, WTR, SnGb, SnJt. Flowering Time: Apr--Jul
Synonyms: Eriodictyon crassifolium var. denudatum Abrams
eFlora Treatment Author: Gary L. Hannan
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Citation for this treatment: Gary L. Hannan 2016. Eriodictyon crassifolium var. nigrescens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=58455, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 04, 2016.


Eriodictyon crassifolium var. nigrescens
click for enlargement
© 2015 Keir Morse
Eriodictyon crassifolium var. nigrescens
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© 2011 Neal Kramer
Eriodictyon crassifolium var. nigrescens
click for enlargement
© 2011 Neal Kramer
Eriodictyon crassifolium var. nigrescens
click for enlargement
© 2015 Keir Morse
Eriodictyon crassifolium var. nigrescens
click for enlargement
© 2015 Keir Morse
Eriodictyon crassifolium var. nigrescens
click for enlargement
© 1996 Christopher L. Christie

More photos of Eriodictyon crassifolium var. nigrescens in CalPhotos


Geographic subdivisions for Eriodictyon crassifolium var. nigrescens:
Teh (rare), SCoRO, SCo, WTR, SnGb, SnJt.
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.