Convolvulus demissus Choisy, Prodr. [A.P. de Candolle] 9: 404. 1845. (Choisy 1845: 404).

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 : 87-88

46. Convolvulus demissus Choisy, Prodr. [A.P. de Candolle] 9: 404. 1845. (Choisy 1845: 404).

Convolvulus andinus Phil., Linnaea 33: 184. 1864. ( Phillipi 1864: 184). Type. CHILE, Santiago, Philippi s.n. (holotype SGO, not seen).

Convolvulus ovatus Phil., Anal. Univ. Santiago 90: 221. 1895. ( Phillipi 1895: 221). Type. CHILE, Maule, Rio Maule, Phillipi s.n. (holotype SGO, not seen).

Convolvulus demissus var. andinus (Phil.) Reiche, Anal. Univ. Chile 120: 826 ( Reiche 1907: 826). Type. Based on Convolvulus andinus Phil.

Convolvulus demissus var. ovatus (Phil.) Reiche, Anal. Univ. Chile 120: 826 ( Reiche 1907: 826). Type. Based on Convolvulus ovatus Phil.

Type.

CHILE, Coquimbo, Gay s.n. (holotype G; several isotypes P!).

Description.

Glabrous or puberulent herb from a deep rootstock. Stems 30(-50) cm long, numerous, trailing. Leaf blade 0.6-2 × 0.4-1.6 cm, ovate-deltoid; base truncate and briefly cuneate onto the petiole, auricles not well-developed; apex obtuse and mucronate or acute; margin entire; petiole 4-8 (-12) mm. Flowers solitary (rarely paired), axillary, pedunculate; peduncles 10-18 mm; bracteoles 2-6 mm, linear; pedicels 2-4 mm; outer sepals 7-10 × 5-7 mm, elliptic, obtuse; corolla (1-) 1.5 (-2) cm long, pink, shallowly lobed, midpetaline bands pilose, terminating in small teeth; ovary glabrous; style divided 4-5 mm above base, stigmas 2-3 mm. Capsule glabrous; seeds smooth but with slightly muricate angles. [ O’Donell 1957: 165-167 (Figure 7); O’Donell 1959: 276]

Distribution.

Central Chile (Morisson 16746, Cuming 214, Gardner et al. 52, UCEXC 43) and adjacent parts of Argentina (fide O’Donell 1959: 277). 1500-2700 m.

Notes.

This is an Andean species variable in indumentum with a superficial resemblance to Convolvulus arvensis but with much larger sepals and ovate-deltoid leaves with poorly developed basal auricles. It is also very similar to some forms of the African Convolvulus sagittatus .