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Pakistan | Family List | Pakistan V. 205 | Polygonaceae | Rumex

2. Rumex acetosa Linnaeus, Sp. Pl. 337. 1753; Meisn. in DC., Prodr. 65. 1856; Boiss., Fl. Or. 4: 1015. 1879; Hook.f., l.c. 60; Rech. f., in Candollea 12: 25. 1949; in Tutin et al., Fl. Europ. 1: 85. 1962; Fl. Iran. 56: 6. 1968; Losinsk. in Kom., Fl. URSS 5: 451. 1936; R.R.Stewart, l.c. 213; Bhopal & Chaudhri, l.c. 93; Munshi & Javeid, l.c. 87. (Fig.23, A-C).

Vern.: Khatimal.

Perennial. Stem erect, up to 120 cm high, leafy. Leaves hastate of variable size; basal leaves 2-4 times as long as broad, oblong-elliptic, with acute basal downwards directed lobes and long petioles; stem leaves upwards gradualy smaller and with shroter petioles, the uppermost sessile with clasping basal lobes. Taste of leaves sour. Panicle narrow, loose with non fasciculate simple or little divided branches. Flowers dioecious, arranged in few flowerd whorls. External perianth segments reflexed, appressed to the articulate pedicel. Valves suborbicular, 3-3.5 mm in diam., membranous, finely reticulate, with a small basal reflexed grain. Nut 1.8-2.2 mm long, dark brown.

Fl. Per.: July-September.

Type: "In Europae pascuis".

A fairly common species of moist areas especially on slopes and moist rocks, grows on higher altitudes between 2000-4500 m. Resembles with Rumex hastatus but differs by having herbaceous habit, small panicle and less freely branched stem; Distribution: Europe except the Mediterranean, subarctic and temperate Asia, in the South at high elevation only, North America, Greenland. Occasionally as an alien elsewhere.


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