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Pakistan | Family List | Brassicaceae | Erysimum

Erysimum thomsonii Hook. f. in Journ. Linn. Soc. Bot. 5: 165. 1861. Hook. f., Fl. Brit. Ind. 1: 154. 1872.

Erysimum thomsonii

Credit: Shaukat & Azmat

  • Erysimum macrospermum Cullen & Rech. f.

    Very similar to the previous species but petals 2-3 mm broad, siliquae usually elongated, (40-) 60-90 mm long, c. 2 mm broad, many seeded with large seeds; seeds 2.5-3 (-4) mm long, 1 mm broad, slightly winged towards the apex; style (1.5-) 2-2.5 mm long, slightly thickened with capitate, sub-bilobed stigma.

    Fl. Per.: June-July.

    Type: N.W. Himalaya, Kunawer, Thomson (K).

    Distribution: N.W. Himalayas and Afghanistan.

    This species was incompletely known from the type gathering only which had no basal part. It is also distinguished from Erysimum longistylum Hook. f. & Thoms., an Erysimum Himalayan species, by its many branches from the base and narrower leaves. Erysimum macrospermum Cullen & Rech. f., from Afghanistan, is conspecific with it. The two have similar leaves, flowers and seeds, but differ in fruit length only, which is not a reliable taxonomic character.


    Related Objects  
  • Illustration (Shaukat & Azmat)
  • Image/JPEG

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