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(Last Modified On 1/14/2013)
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(Last Modified On 1/14/2013)
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Species
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RUMEX CRISPUS L.
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PlaceOfPublication
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Sp. P1. 335. 1753.
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Description
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Mostly unbranched coarse glabrous perennials with yellowish taproots. Leaves glabrous, lanceolate to oblong, apically acute, basally acute to cordate, the cauline blades mostly 10-12 cm. long by 0.5-3 cm. broad; petioles 1-5 cm. long; ochreae up to 2.5 cm. long, tardily deciduous. Inflorescences of crowded many-flowered ochreolate verticils in racemes or panicles. Flowers perfect, on pedicels mostly 5-12 mm. long; outer tepals oblong, 1-2 mm. long, scarcely accrescent; inner tepals broadly ovate to cordate, accrescent becoming 3.5-5 mm. long, 2-3.5 mm. broad, with a prominent exterior tubercule developing on 1 or 3 of them; stamens 6, discrete, the filaments mostly less than 0.5 mm. long, the anthers 1-1.5 mm. long, basifixed; ovary trigonous, the 3 styles usually reflexed, with 3 peltate fimbrillate stigmata. Achenes triquetrous, brown, lustrous, included, often capped by the persistent styles and stigmata, 2.5-3 mm. long, 2-2.5 mm. broad.
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Specimen
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CHIRIQUI: Alto Lino, wayside roadside, 4200 ft., Bro. Maurice 883.
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Distribution
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A native of Eurasia, this is a widespread weed, and common in temperate por- tions of the Americas.
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Note
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In Guatemala it is called lengua de vaca and lengua de caballo. The leaves are occasionally cooked as a potherb.
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Common
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lengua de vaca lengua de caballo
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