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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
Reference: Ferguson 1998 Syst Bot 23:253--268
Unabridged Reference: Hannan 1988 Amer J Bot 75:579--588
Species: Eriodictyon crassifoliumView Description 

Habit: Shrub. Stem: 1--3 m; twigs dense-tomentose. Leaf: petiole 3--15 mm; blade 3--17 cm, 1--4 cm 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
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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Citation for this treatment: Gary L. Hannan 2016, Eriodictyon crassifolium var. nigrescens, in Jepson Flora Project (eds.) Jepson eFlora, Revision 4, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=58455, accessed on October 15, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on October 15, 2019.

Eriodictyon crassifolium var. nigrescens
click for enlargement
© 2011 Neal Kramer
Eriodictyon crassifolium var. nigrescens
click for enlargement
© 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
© 2015 Keir Morse

More photos of Eriodictyon crassifolium var. nigrescens in CalPhotos



Geographic subdivisions for Eriodictyon crassifolium var. nigrescens:
Teh (rare), SCoRO, SCo, WTR, SnGb, SnJt.
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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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All markers link to CCH specimen records. The original determination is shown in the popup window.
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.