Convolvulus canariensis L., Sp. Pl. 155. 1753. (Linnaeus 1753: 155).

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 : 108-109

77. Convolvulus canariensis L., Sp. Pl. 155. 1753. (Linnaeus 1753: 155). Figure 11, t. 8-14

Convolvulus pallidus Salisb., Prodr. Stirp. Chap. Allerton 123. 1796, illegitimate superfluous name for Convolvulus canariensis L. ( Salisbury 1796: 124).

Convolvulus pannifolius Salisb., Parad. Lond. 1: t.20 ( Salisbury 1805: t.20). Type. Icon, in Parad. Lond. 1: t.20 drawn from a plant from Tenerife (Canary Islands).

Nemostima canariensis (L.) Raf., Fl. Tellur. 4: 82. 1838. ( Rafinesque 1838: 82). Type. Based on Convolvulus canariensis L.

Periphas pannifolius (Salisb.)Raf. Fl. Tellur. 4: 85. 1838. ( Rafinesque 1838: 85). Type. Based on Convolvulus pannifolius Salisb.

Convolvulus bourgaei Bolle, Bonplandia 9: 54. 1861. ( Bolle 1861: 54). Type. CANARY ISLANDS, Arafo, Ternerife, Bolle (whereabouts uncertain).

Type.

CANARY ISLANDS (lectotype LINN 218.17!, designated by Sa’ad 1967: 248).

Description.

A liana or scrambling shrub to 10 m, old stems woody with brown bark, young stems villous. Leaves petiolate, 4-10 × 2-5 cm, ovate to oblong-ovate, acute, entire, cordate at base, densely villous, the veins prominent on the lower surface; petioles 1-1.5 cm. Flowers 3-7 in axillary, pedunculate cymes; peduncles c. 2.5-3.5 cm, bracteoles linear, acuminate; pedicels 5-18 mm; sepals 8 × 4 mm, elliptic-rhomboid, apiculate, pilose, the inner sepals with glabrous, membranous margins; corolla 1.8-2.2 cm long, pale blue with a white centre, unlobed, midpetaline bands pilose; filaments glandular; ovary sparsely pilose at apex; style glabrous, divided 3-4 mm above base; stigmas c. 4 mm. Capsule glabrous; seeds smooth, glabrous. [ Sa’ad 1967: 117 p. p., Bramwell and Bramwell 2001: 264-265 (photo); Schönfelder and Schönfelder 1997: 174-175 (photo)]

Distribution.

Endemic to the Canary Islands, but common in and around laurel forest, 400-1000 m. Gran Canaria, Tenerife, La Palma, La Gomera, El Hierro (Asplund 927, Murray s.n. [19/5/1892], Bourgeau 1428).