Convolvulus dorycnium subsp. subhirsutus (Regel & Schmalh.) Sa'ad , Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 281: 91. 1967. ( Sa'ad 1967: 91).

Wood, John R. I., Williams, Bethany R. M., Mitchell, Thomas C., Carine, Mark A., Harris, David J. & Scotland, Robert W., 2015, A foundation monograph of Convolvulus L. (Convolvulaceae), PhytoKeys 51, pp. 1-282 : 177

167c. Convolvulus dorycnium subsp. subhirsutus (Regel & Schmalh.) Sa'ad, Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 281: 91. 1967. ( Sa'ad 1967: 91).

Convolvulus subhirsutus Regel & Schmalh., Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 339. 1879. ( Regel 1879: 339). Type. KAZAKHSTAN, Regel 270 (lectotype LE!, designated by Sa’ad 1967: 94; isolectotypes E!, K!, LE!).

Type.

Based on Convolvulus subhirsutus Regel & Schmalh.

Distinguishing features.

Stems leafy and more or less herbaceous; sepals narrowly oblong-obovate, more or less abruptly narrowed to a mucronate apex. Nowroozi 2002: 49 (plate), 102 (map); Breckle and Rafiqpoor 2010: 415 (photo).

Distribution.

Apparently abundant in Central Asia: Northeastern Iran (Merton 3955, Andersen & Petersen 308, Sabetí 977); Afghanistan (Grey-Wilson & Hewer 848, Podlech 10760, Hedge & Wendelbo 3618); Uzbekistan (Vassilejeva & Vassilczenko 4837, Sintenis 384, Bornmüller 73); Turkmenistan (Capus 954, Djilenko 723); Kirgizstan (Popov 288, Bobrov 110); Kazakhstan (Minkwitz s.n. [23/6/1914], Fedshenko s.n. [8/8/1902]); Tajikistan (Linczevski & Masslennikova 737, Ovczinnikov 394).