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Symphytum ×uplandicum
RUSSIAN COMFREY


Higher Taxonomy
Family: BoraginaceaeView DescriptionDichotomous Key
Common Name: BORAGE FAMILY
Habit: Annual, perennial herb, or shrub, often bristly or sharp-hairy. Stem: prostrate-decumbent to erect. Leaf: basal and/or cauline, simple, generally alternate, sometimes opposite, especially at base. Inflorescence: cymes, arranged singly or in groups of 2--5, generally coiled in flower, generally elongating in fruit. Flower: bisexual, generally radial; sepals 5, free or fused at least at base; corolla 5-lobed, salverform, funnel-shaped, rotate, or bell-shaped, appendages (often called "fornices") 0 or 5 at top of tube, when present often differentially pigmented, alternate stamens; stamens epipetalous; ovary superior, 4-lobed, style 1, entire or minutely 2-lobed (2-branched). Fruit: nutlets 1--4, when > 1, all similar (often called "homomorphic") or 1 or 2 dissimilar in size and/or shape from the others (often called "heteromorphic"), free (fused), smooth to roughened, prickly or bristly or not.
Genera In Family: +- 90 genera, +- 1600--1700 species: mostly temperate, especially western North America, Mediterranean; some cultivated (Borago, Echium, Myosotis, Symphytum). Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Sometimes still treated in broader sense of TJM2 (e.g., APG IV 2016 Bot J Linn Soc 181:1--20), but recent evidence (Luebert et al. 2016) supports segregation, for our flora, of the families Ehretiaceae, Heliotropiaceae, Hydrophyllaceae, Lennoaceae, and Namaceae.
eFlora Treatment Author: Michael G. Simpson, C. Matt Guilliams, Kristen Hasenstab-Lehman & Ronald B. Kelley
Scientific Editor: Bruce G. Baldwin, C. Matt Guilliams, Kristen Hasenstab-Lehman, David J. Keil, Ronald B. Kelley, Robert W. Patterson, Thomas J. Rosatti & Michael G. Simpson
Genus: SymphytumView DescriptionDichotomous Key


Common Name: COMFREY
Habit: Perennial herb; root thick, carrot-like. Stem: ascending to erect, internodes winged or not, sharp-bristly. Leaf: generally cauline, sharp-bristly; lower petioled; upper short-petioled to sessile; blade lanceolate to ovate, base decurrent or not. Inflorescence: terminal or axillary, generally peduncled, coiled. Flower: calyx deep-lobed, bristly, expanded in fruit; corolla bell- to +- urn-shaped, throat expanded above tube, appendages 5, alternate stamens, at same level at anthers, lance-linear to lanceolate [or not], papillate; stamens attached on upper tube; style exserted. Fruit: nutlets 1--4, ovoid; tip +- incurved; scar at base, +- flat with thick, ring-like, minute-toothed rim.
Etymology: (Greek: growing together, from putative healing properties) Toxicity: Seeds, herbage TOXIC to humans, livestock from pyrrolizidine alkaloids. Note: Ornamental, folk medicine, cultivated for forage.
eFlora Treatment Author: Ronald B. Kelley
Unabridged Reference: Gadella 1984 Ann Missouri Bot Gard 71:1061--1067
Symphytum ×uplandicum Nyman
NATURALIZED
Stem: 6--10 dm, branched. Leaf: 5--15 cm. Flower: calyx 2--4 mm, to 5.5 mm in fruit, lobes generally linear-oblong, in fruit triangular; corolla 13--16 mm, +- pink, turning purple to blue-purple. Fruit: nutlets 3--4 mm, 2--2.5 mm wide. Chromosomes: 2n=36,40.
Ecology: Wet, open sites; Elevation: < 100 m. Bioregional Distribution: NCo, n NCoRO, ScV (waif in Yolo Co.); Distribution Outside California: to British Columbia, northeastern United States; native to Europe. Flowering Time: May--Jul
Synonyms: Symphytum asperum Lepechin, misappl.
Unabridged Note: A stable, though variable, vigorous hybrid of Symphytum asperum Lepech. and Symphytum officinale (see CalPhoto images from NCo). In United States historically confused with the taller, blue-flowered Symphytum asperum, which appears to be rare in North America.
Jepson eFlora Author: Ronald B. Kelley
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Noxious Weed listed on the CDFA Weed Pest Ratings table
View the CDFA Pest Rating page for Symphytum ×uplandicum
Weed listed by Cal-IPC

Previous taxon: Symphytum officinale
Next taxon: Brassicaceae (Cruciferae)

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Citation for this treatment: Ronald B. Kelley 2012, Symphytum ×uplandicum, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=45948, accessed on April 23, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2024.

No expert verified images found for Symphytum ×uplandicum.



Geographic subdivisions for Symphytum ×uplandicum:
NCo, n NCoRO, ScV (waif in Yolo 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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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).