|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Polygonaceae||View Description||Dichotomous Key|
|Genus: Rumex||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Rumex crispus L.
Habit: Perennial herb (biennial), glabrous; taproot vertical, fusiform. Stem: erect, 4--10(15) dm, often branched above middle. Leaf: blade 15--30(35) cm, 2--6 cm wide, lance-linear to lanceolate, base tapered, truncate, or +- cordate, margin generally entire, strongly wavy, especially near base, tip acute. Inflorescence: terminal, dense, occasionally interrupted in lower 1/2, branches straight or arched; whorls 10--25-flowered; pedicels (3)4--8 mm, thread-like, joints swollen. Flower: inner perianth lobes 3.5--6 mm, 3--5 mm wide, round-ovate to triangular-ovate, base truncate or +- cordate, margin entire to irregularly +- toothed, flat, tip obtuse or +- acute; tubercles generally 3, at least 1(2) larger, > 1 mm wide. Fruit: 2--3 mm, 1.5--2 mm wide, generally red-brown. Chromosomes: 2n=60.
Ecology: Abundant. Disturbed places; Elevation: < 2700 m. Bioregional Distribution: CA; Distribution Outside California: worldwide; native to Eurasia. Flowering Time: All year
eFlora Treatment Author: Scott Simono
Jepson Online Interchange
Weed listed by Cal-IPC
Previous taxon: Rumex crassus
Next taxon: Rumex dentatus
Citation for this treatment: Scott Simono 2017. Rumex crispus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=42386, accessed on April 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 26, 2017.