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

7. Rumex thjanschanicus Losinsk. in Kom., Fl. URSS. 5: 466. 1936; Rech. f. in Feddes Repert. 49:2. 1940; in Candollea 12: 68. 1949; Fl. Iran. 56: 10. 1968. (Fig.24, A-B).

Only differing from the closely related R. paulsenianus Rech. f. by having lax inflorescence with few flowered whorls and the anterior valves bearing a subglobose or ovate grain whereas in R. paulsenianus the inflorescence is dense and all valves are without grains.

Type: Tian Shan, Semirjatschensk, Alexandroski Mt., valley of Alarczi River, Titov 1506 (LE !).

An Irano-Turanian element, grows between 2200-3500 m in the dry ranges in eastern and western Irano-Turanian subregions; Distribution: Turkmenistan, Kirgystan, Tajikistan, Tian-Schan, Afghanistan and Pakistan.

For full discussion of R. paulsenianus and R. thjanschanicus see Rechinger f., (1949).


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