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Pakistan | Family List | Convolvulaceae | Convolvulus

11. Convolvulus aitchisonii C.B. Clarke in J. Linn. Soc. (Bot.). 19:179. 1882. Clarke in Hook. f., Fl. Brit. Ind. 4:218.1883, Kitam., Fl. Afghan. 309. 1960, Rech. f., Fl. Iran. 2:15.1963, Sa’ad, l.c. 134, Stewart in Biologia (Lahore) 13 (2):1967 (Fig. 2, F-G).

SHAHINA GHAZANFAR


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

Convolvulus aitchisonii
Illustration

Credit: M.Y. Saleem

  • Convolvulus lanuginosus sensu Aitch.

    Usually branched, cushion forming herb, 10-20 cm tall, with a woody base, stems simple, erect, 10-18 cm long, densely hirsute, hairs variably patent or appressed. Leaves basally crowded, sessile, sericeous hirsute, 20-30 (-45) x 2-3 (-5) mm, linear to linear-oblanceolate, attenuate, acute to obtuse. Flowers subsessile in cymes. Bracts 8 mm long, linear-lanceolate. Sepals densely long sericeous, 9-11 mm long, lanceolate, acuminate, upper portion green, the lower pale green. Corolla funnel-shaped, c. 21 mm long, margin undulate, hairy plaited outside, the tube glabrous. Filaments unequal, anthers c. 3 mm long. Ovary glabrous, style 5 mm long, stigma 3 mm long, filiform.

    Fl. Per.: December.

    Type: Afghanistan/Pakistan, from Alizai to Habib-Kalla, Kurram valley, 1000-2000 m, Aitchison 15(K).

    C-6 Nagar Garh forest, nr. Hangu, E. Nasir, Siddiqi & Zaffar Ali 4378 (RAW), id., Siddiqi & Zaffar Ali 3718 (RAW), Sakesar, Iftikhar Ahmed 27819 (RAW), Shalizan to Habibkella, Kurram Vy., Aitchison 72 (K), Kurram Vy., Harsukh 14984 (K), Parachinar, Badri Nath Vaid 1543 (RAW), id., Lamond 1875 (E), Torkhum, A.R. Beg, ARB/149 (PPFI-B), id., S.A. Khan SAK/416 (PPFI-B).

    Distribution: Afghanistan, Pakistan.

    Found here in the mid-western border, also in Sakesar, Shahpur and Jhelum districts. Usually found in open gravelly plains and limestone, forming hummocks, from 1000-2000 m. The dense pale-yellow pubescence turns to a rust brown colour in herbarium material.


     

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