Convolvulus chondrilloides Boiss., Diagn. Pl. Orient. 11: 83. 1849. (Boissier 1849: 83).

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 : 138-139

113. Convolvulus chondrilloides Boiss., Diagn. Pl. Orient. 11: 83. 1849. (Boissier 1849: 83). Figure 15, t. 35-43

Type.

IRAN, Aucher-Eloy 4941 (lectotype G, designated by Sa’ad 1967: 87); isolectotypes P!, W!).

Description.

Erect perennial undershrub with a woody base and glabrous, herbaceous branches to at least 1 m, nearly leafless above. Leaves sessile, somewhat dimorphic, basal leaves 2-3.5 × 0.5-1 cm, spathulate to oblanceolate with a long petiole-like base; stem leaves 2.5-3 × 0.2-2 cm, linear to lanceolate, acute, entire, base cuneate. Flowers in a large, nearly leafless, branched terminal inflorescence composed of axillary cymes of 1-6-flowered cymes, the flowers irregularly grouped; ultimate branches rather slender, not rigid; bracts 7 × 1 mm, linear, bracteoles minute; pedicels 0-10 mm, densely pubescent; sepals 2-4 × 1.5-4 mm, ovate to suborbicular, mucronulate, pubescent, the inner sepals broader, scarious; corolla 1.3 cm long, white, midpetaline bands pilose; ovary pilose; style glabrous, divided c. 3 mm above base; stigmas 3 mm. Capsule pubescent at apex, 1-seeded; seeds glabrous, black, smooth. Sa’ad 1967: 87; Nowroozi 2002: 55 (plate), 102 (map).

Notes.

We recognise two varieties of which only var. chondrilloides is common: