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Pakistan | Family List | Primulaceae

8. Samolus L., Sp. Pl. ed. 1.171. 1753. Gen. Pl. ed. 5:78.1754; Duby in DC., Prodr. 8:72.1844; Boiss., Fl. Or. 4:4.1879; Hook.f., Fl. Brit. Ind. 3:1882; Pax & Knuth in Engler, Pflanzenr. 22 (IV. 237): 336.1905; Smolyaninova in Schischkin & Bobrov, Fl. URSS. 18:253-254.1952; E. Leblebici in Davis, Fl. Turk. 6:141. 1978.


Glabrous annual or perennials. Basal leaves rosulate, the upper ones alternate, entire, Inflorescence a raceme or a corymb. Flowers usually small, bracteolate. Calyx campanulate, 5-lobed. Corolla rotate, exceeding the calyx. Stamens 5, epipetalous, opposite the corolla lobes and alternating with staminodes; staminodes linear or broad, present between the sinuses of the lobes. Ovary semi-inferior, style short, stigma subcapitate. Capsule dehiscence valvular. Seeds many, small.

Because of the presence of a semi-inferior ovary, Samolus is given a somewhat isolated position within the Primulaceae; this view is supported to some extent by the seed morphology and the corollar epidermal structure. The genus has been variously assigned to the level of a tribe (Samoleae, by authors as Duby (1844), Boissier (1879), Knuth (1905 etc.) or a family (Samolaceae, Dumortier, Anal. Fam. Pl. 29. 1829).

c.10-15 cosmopolitan species, but mainly in the S. Hemisphere. Represented in Pakistan by 1 species.

Lower Taxon


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