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Pakistan | Family List | Euphorbiaceae | Euphorbia

20. Euphorbia royleana Boiss. in DC., Prodr. 15(2): 83. 1862. Hook. f., Fl. Brit. Ind. 5: 257. 1887; Parker, For. Fl. Punj. 445. 1918; Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 452.1972.

Vern.: ‘Danda Thor’.


Euphorbia royleana

Credit: M. Rafiq

  • Euphorbia pentagona Royle

    A dense-crowned succulent-branched spiny, glabrous, readily-deciduous shrub or small tree usually up to 5 m tall, less often to 8 m, and 2 m in girth. Wood white, soft, spongy. Branches 5-7-angled, c. 5 cm thick, with broad flat faces between the angles, and the angles produced into straight undulate wings or ridges with a pair of stipular spines at the crest of each undulation. Leaves alternate, sessile or subsessile. Leaf-blades oblanceolate-spathulate, 5-15 x 1-4 cm, subacute or obtuse and mucronate at the apex, gradually tapering to the base, entire, lateral nerves 8-10 pairs, obscure, thick, fleshy. Stipules spiny, 3-5 mm long, paired on each spine-shield. Cyathia in sessile ‘cymes’ of 3 each, arising from the internodal sinuses, yellowish. Glands transversely oblong, ochreous. Fruits triradiate, the lobes somewhat compressed, l x 1.5 cm, smooth, glabrous, greyish-green.

    Fl.: ‘in the hot weather’ (Parker).

    Type: The illustration of Euphorbia pentagona Royle (Ill. Bot. Himal. t. 82, f. 1. May, 1836, based on material from the Suen Range, India.

    Distribution: N. India (Himalayan foothills). Common on hot, dry rocky slopes; c. 1500'/450 m - 6000'/1830 m. Cultivated as a hedge-plant in the plains.


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  • Illustration (M. Rafiq)
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