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Eriodictyon sessilifolium
SESSILE-LEAVED 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.
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 sessilifolium Greene
NATIVE
Habit: Shrub. Stem: 1--3 m; twigs sparse- to dense-coarse-hairy; dense-stalked-glandular. Leaf: sessile; blade 6--12 cm, 2--5 cm wide, oblanceolate to oblong, coarse-toothed, adaxially sparse-coarse-hairy, stalked-glandular at least on midrib, abaxially sparse- to moderate-coarse-hairy on veins, stalked-glandular on all veins, short-tomentose between veins; margin slightly rolled under between teeth. Inflorescence: peduncle, pedicel hirsute, densely short-stalked-glandular. Flower: calyx lobes 5 mm, awl-shaped, adaxially dense-coarse-hairy, abaxially sparse-coarse-hairy, dense-stalked-glandular; corolla 12--15 mm, funnel-shaped, lilac-purple, abaxially dense-hairy, not stalked-glandular; filaments dense-coarse-hairy; ovary coarse-hairy, style 1--2 mm. Fruit: 5 mm, coarse-hairy. Chromosomes: n=14.
Ecology: Slopes, ridges, ravines, disturbed areas, grassland, chaparral; Elevation: 25--880 m. Bioregional Distribution: sw PR (one locality near Poway, San Diego Co.). Flowering Time: Apr--Jun
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)
Listed on CNPS Rare Plant Inventory

Previous taxon: Eriodictyon parryi
Next taxon: Eriodictyon tomentosum

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Citation for this treatment: Gary L. Hannan 2021, Eriodictyon sessilifolium, in Jepson Flora Project (eds.) Jepson eFlora, Revision 9, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=94699, accessed on May 27, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on May 27, 2022.

No expert verified images found for Eriodictyon sessilifolium.



Geographic subdivisions for Eriodictyon sessilifolium:
sw PR (one locality near Poway, San Diego Co.).
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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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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).