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Rumex fueginus
GOLDEN DOCK

Higher Taxonomy
Family: PolygonaceaeView DescriptionDichotomous Key

Common Name: BUCKWHEAT FAMILY
Habit: Annual to shrub [tree]. Stem: nodes swollen or not. Leaf: simple, basal or cauline, generally alternate; ocreae present or 0, generally scarious, persistent or not. Inflorescence: flower clusters in axillary to terminal cyme-, panicle-, raceme-, spike-, umbel- or head-like arrangements, entire inflorescence or main inflorescence branches generally subtended by bracts ("inflorescence bracts"); peduncles present or 0; flower clusters in Eriogoneae-Eriogonoideae subtended by involucre of >= 1 free or +- fused, sometimes awn-tipped bracts ("involucre bracts") or, in Polygonoideae and rarely in Eriogonoideae, not (if bracts completely fused, involucre "tubular"); pedicels in Eriogoneae each often subtended by 2 free, transparent, linear bractlets or in Polygonoideae all subtended by 2+ fused, membranous, wide bractlets. Flower: generally bisexual, small, 1--200 per node; perianth parts 2--6, generally in 2 whorls, free or basally fused, generally petal-like, often +- concave adaxially, often darker at midvein, often turning +- red or +- brown in age; stamens [1]3 or 6--9 in 2 whorls; ovary superior, 1-chambered, ovule 1, styles 1--3. Fruit: achenes, included in or exserted from perianth, generally 3-angled, ovoid or elliptic, generally glabrous.
Genera In Family: 48 genera, +- 1200 species: worldwide, especially northern temperate; some cultivated for food (Coccoloba, sea-grape; Fagopyrum, Rheum, Rumex) or ornamental (Antigonon, lovechain; Coccoloba; Muehlenbeckia; Persicaria; Polygonum), a few timbered (Coccoloba; Triplaris). Several (Emex; Fallopia; Persicaria; Polygonum; Rumex) are weeds. Note: Treatment of genera in Eriogonoideae based on monographic work of James L. Reveal. Involucre number throughout is number (1--many) per ultimate grouping, at tips of ultimate branches; flower number is per flower cluster or involucre, unless otherwise stated. Fagopyrum esculentum Moench not naturalized, considered an historical waif (or garden weed +- presently), therefore not treated.
eFlora Treatment Author: Mihai Costea, except as noted
Genus: RumexView DescriptionDichotomous Key

Common Name: DOCK
Habit: Annual to perennial herb; glabrous or papillate and hairy; rhizomed, stoloned, or generally from taproot with a short caudex; occasionally dioecious. Stem: prostrate, decumbent, or generally erect to ascending, often +- ridged, red-brown in fruit, nodes +- swollen. Leaf: generally basal and cauline, alternate, petioled except uppermost cauline; ocreae deciduous to persistent. Inflorescence: axillary or generally terminal, generally panicle-like. Flower: generally bisexual, bell-shaped, glabrous, green, +- pink, or red; perianth lobes 6, persistent, in fruit outer 3 +- inconspicuous, inner 3 enlarged, hardened, +- veiny, covering fruit, midrib of 1--3 often expanded into tubercle; stamens 6; stigmas 3, fringed. Fruit: achene, glabrous, +- black or dark brown to +- red.
Species In Genus: 190--200 species: +- worldwide, 63 in North America. Etymology: (Latin: sorrel) Note: Mature inner perianth lobes generally needed for identification. Species often hybridize.
eFlora Treatment Author: Scott Simono

Rumex fueginus Phil.
NATIVE
Habit: Annual (biennial), generally pubescent, papillate, at least on inflorescence; taproot vertical, fusiform. Stem: prostrate to erect, (0.4)1.5--6(7) dm, generally branched, sometimes stout, hollow. Leaf: blade (3)5--25(30) cm, (1)1.5--3(4) cm wide, lance-linear to lanceolate (oblong), base cordate, truncate, or tapered, margin generally entire, wavy, tip acute (obtuse). Inflorescence: terminal, dense, interrupted below, generally red-brown, red, or green-yellow; whorls generally 15--30-flowered; pedicels 3--7(9) mm, joints weak, generally not swollen. Flower: inner perianth lobes 1.5--2.5 mm, 0.7--0.9(1.2) mm wide except teeth, narrow-triangular or -kite-shaped, base truncate or widely tapered, tip acute, margins generally dentate (subentire) with teeth 2--3, 1--3 mm, generally 1.5--2.5(4) × width of lobe, on both sides, thin, bristle-like; tubercles 3, +- equal, <= 1/2 width of lobes, lance-linear to fusiform, +- brown or +- red, generally net-like, pitted, tips +- acute. Fruit: 1--1.4 mm, 0.6--0.8 mm wide, light brown. Chromosomes: 2n=40.
Ecology: Riparian, disturbed places, shores, marshes, bogs, wet meadows; Elevation: < 2000 m. Bioregional Distribution: CA; Distribution Outside California: most of North America, Mexico, South America; introduced in Europe. Flowering Time: May--Aug Note: Highly variable in size, color, leaves, inner perianth lobes; alluvial plants sometimes dwarfed, with branched stems +- prostrate to ascending.
Synonyms: Rumex maritimus L., misappl.
eFlora Treatment Author: Scott Simono
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Previous taxon: Rumex dentatus
Next taxon: Rumex hymenosepalus

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botanical illustration including Rumex fueginus

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Citation for this treatment: Scott Simono 2016. Rumex fueginus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42405, accessed on May 05, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 05, 2016.


Geographic subdivisions for Rumex fueginus:
CA;
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.