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Pakistan | Family List | Brassicaceae

Nasturtium R.Br. in Aiton, Hort. Kew. ed. 2. 4:110. 1812. Vas. in Kom., l.c. 143; Clapham et al, Fl. Brit. Isles, ed. 2:216.1952; Goode & Cullen in Davis, l.c. 430; Hedge in Rech. f., l.c. 214.

Nasturtium officinale

Credit: Shaukat & Azmat

Perennial herbs of wet habitats, with spreading or ascending leafy shoots rooting at the base, glabrous or very sparsely hairy with simple hairs. Leaves pinnate. Racemes lax in fruit, ebracteate. Flowers small, white. Inner sepals slightly saccate at base. Petals about twice as long as the sepals, spathulate. Stamens 6; filaments not appendaged; anthers short, blunt. Lateral nectar glands horse-shoe shaped, open towards the outer side; middle absent. Ovary oblong, 28-40 (-50)-ovuled; style short with capitate stigma. Siliquae sub-cylindrical, bilocular, dehiscent; valves subconvex, membranous, faintly 1-veined, glabrous, often with prominent ridges caused by seeds when pressed and dried; septum membranous, not veined; seeds 1-2-seriate, each with numerous polygonal depressions.

2 species widespread in the Northern hemisphere.

1 Siliquae 2-2.5 mm broad, finely beaded (torulose); Seeds ± biseriate, each side with about 25 depressions   Nasturtium officinale
+ Siliquae 1 (-1.5) mm broad, slender, ± smooth; seeds Uniseriate, each side with about 100 depressions   Nasturtium microphyllum

Lower Taxa

Related Synonym(s):


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