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Pakistan | Family List | Convolvulaceae | Convolvulus

12. Convolvulus pyrrhotrichus Boiss., Diagn. Ser. 2:122. 1856. Rech. f., Fl. Iran. 2:16.1963, Sa’ad, l.c. 164.1967, (Fig. 3, A).


National Herbarium, Agricultural Research Council, Islamabad. ( Now at Newnham College, Cambridge, England.)

Convolvulus pyrrhotrichus

Credit: M.Y. Saleem

  • Convolvulus gonocladus subsp. pyrrhotrichus (Boiss.) Rech. f.
  • Convolvulus haussknechtii Boiss.

    Stout, branched perennial herb, 13-40 cm high, gro wing in tufts. Branches densely patent white, pale yellow-tomentose. Leaves grey-green or whitish-green, 30-56 x 10-21 mm, sessile, ovate-elliptic, acute, densely white-tomentose, veins impressed. Inflorescence axillary cymes of 3-6 flowers. Peduncle c. 20 mm long. Flowers pedicellate, pedicel c. 2 mm, long, hairy. Bracts c. 15 x 3 mm, linear-lanceolate, long acuminate, tomentose. Corolla c. 23 mm long, pale cream or white. Filaments unequal, 8-10 mm long. Ovary glabrous, style c. 4 mm long, filiform. Capsule ovoid, c. 5 mm long. Seeds 3 mm long, dark brown, shortly pubescent.

    Fl. Per.: May-June.

    Type: Afghanistan, Griffith 5859 (holo.: G-Boiss.).

    B-6 N.W.F.P. Landi Kotal, Lowndes 688 (E).

    Distribution: Afghanistan, Pakistan.

    An Afghan species, which probably occurs on the border areas in the N.W.F.P. region. Grows gregariously at an alt. of 600-1800 m, in ravines, dry rocky slopes and plains. A low gro wing plant, its pubescence gives it a silvery appearance, which becomes brown with age in herbarium material.


    Related Objects  
  • Illustration (M.Y. Saleem)
  • Image/JPEG

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