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Rumex patientia

Description from Flora of China

Rumex callosus (F. Schmidt ex Maximowicz) K. H. Rechinger; R. interruptus K. H. Rechinger; R. patientia subsp. callosus (F. Schmidt ex Maximowicz) K. H. Rechinger; R. patientia var. callosus F. Schmidt ex Maximowicz; R. patientia subsp. interruptus K. H. Rechinger; R. patientia subsp. pamiricus (K. H. Rechinger) K. H. Rechinger; R. patientia subsp. tibeticus (K. H. Rechinger) K. H. Rechinger; R. patientia var. tibeticus K. H. Rechinger.

Herbs perennial. Roots vertical, large, to 3 cm in diam. Stems erect, 80-150(-200) cm tall, robust, branched above, grooved. Basal leaves: petiole 5-15 cm, stout; leaf blade oblong or oblong-lanceolate, 15-30 × 5-10 cm, base rounded, broadly cuneate, or subcordate, margin undulate, apex acute to subacute; cauline leaves shortly petiolate or nearly sessile, lanceolate, small; ocrea fugacious, 2-4 cm, membranous. Inflorescence paniculate, large. Flowers bisexual. Pedicel slender, articulate below middle, articulation swollen and slightly inflexed in fruit. Outer tepals oblong, ca. 1.5 mm; inner tepals enlarged in fruit; valves broadly cordate, 6-7 mm, all or 1 or 2 valves with narrowly ovate tubercles (in R. patientia s.str. normally 1 valve has a large tubercle, and two other valves have smaller tubercles), net veined, base deeply cordate, margin entire or indistinctly erose, apex obtuse. Achenes brown, shiny, ovoid, trigonous, 2.5-3 mm, apex acuminate. Fl. May-Jun, fr. Jun-Jul. 2n = 40.

Two of us (Grabovskaya-Borodina and Mosyakin) prefer to accept the subspecific taxa of K. H. Rechinger.

Along ditches, water sides, moist valleys; sea level to 4000 m. Gansu, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang, Xizang [Kazakhstan, Kyrgyzstan, Mongolia, Russia, Tajikistan; Europe; introduced and naturalized in North America and some other parts of the world].


 

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