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Eriodictyon crassifolium var. nigrescens
BICOLORED YERBA SANTA


Higher Taxonomy
Family: NamaceaeView DescriptionDichotomous Key
Common Name: NAMA FAMILY
Habit: Annual to tree, taprooted or roots adventitious, sometimes rhizomed, generally hairy. Stem: prostrate to erect, branched. Leaf: deciduous or +- persistent, simple, generally cauline, alternate, or proximal opposite and distal alternate, venation pinnate; stipules 0. Inflorescence: cyme, raceme-like, panicle-like, head-like, terminal or axillary, or flowers 1 or paired in axils. Flower: bisexual, radial; calyx lobes 5, fused at base, +- equal, alike in shape, persistent, occasionally enlarged in fruit, sinus appendages 0; corolla deciduous, rotate, funnelform, urceolate, or urceolate-tubular, lobes 5; appendages on tube between filaments 0, appendages at tube top 0, nectary glands 0; stamens 5, epipetalous, included or +- exserted, equal or unequal, filaments equally or unequally attached within corolla tube, filament base sometimes appendaged, or base expanded; ovary generally superior, occasionally half-inferior, chambers 2 or 4, placentas 2, parietal, narrow; styles 2, terminal, branches 2, free to base or fused 3/4 to apex, stigmas generally entire or occasionally lobed; disk subtending ovary generally conspicuous. Fruit: capsule, loculicidal or loculicidal and septicidal; valves 2 or 4. Seed: (1)2--many; attached fleshy structure 0.
Genera In Family: 3 genera, +- 76 species: Americas, Caribbean, Hawaii; some cultivated (Eriodictyon, Wigandia). Toxicity: Dermatitis sometimes caused by contact with glandular hairs (Eriodictyon parryi, Wigandia). Note: Previously treated within Boraginaceae in TJM2 and APG (1998) or as a tribe (Nameae) or subfamily (Namoideae) within Hydrophyllaceae; a distinct lineage from an emended Hydrophyllaceae (Ferguson 1998[1999]; Refulio-Rodríguez & Olmstead 2014).
eFlora Treatment Author: Genevieve K. Walden & Robert W. Patterson
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.
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 Benth. 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
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Gary L. Hannan 2021, Eriodictyon crassifolium var. nigrescens, in Jepson Flora Project (eds.) Jepson eFlora, Revision 9, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=58455, accessed on April 19, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.

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
©2003 Christopher L. Christie
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
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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).





 

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 (fruiting time in some monocot genera).