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Pakistan | Family List | Polemoniaceae | Polemonium

Polemonium caeruleum L., Sp. P1. 162. 1753. Boiss., Fl. Or. 4: 83. 1879; C.B. Clarke l.c. 133; Bailey l.c. 2731.

Vern. Jhal.

30 cm—1 m tall, slightly hairy or glabrescent. Stem leafy. Leaves 5—25 cm long; leaflets many, lanceolate, acuminate, sessile, 1—4 cm long, 3—8 mm broad. Calyx campanulate, 5—10 mm long, hairy. Corolla funnel-shaped, blue, occasionally white, c. 2 cm in diam., tube very short. Stamens included. Style protruded. Capsule c. 5 mm in diam.. ellipsoid. included in the calyx, dehiscing by 3 valves.

Fl. Per. July—August.

Type: Herb. Linn. 220/1 (LINN).

Distribution: Europe, N. and Central Asia, N. America.

Jacob's Ladder is common in cool temperate and subalpine forests all over the northern region of W.Pakistan, 2500—4000 m. Prefers shady places with rich soil and sufficient humidity.


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