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Pakistan | Family List | Rubiaceae

2. Argostemma Wall. in Roxb., Fl. Ind. ed. Carey & Wall. 2: 324. 1824. DC. Prodr. 4: 417. 1830; Benth. & Hook. f., Gen. Pl. 2: 54. 1873; Hook. f., Fl. Brit. Ind. 3: 42. 1880; Cooke, Fl. Pres. Bomb. 2: 585. 1902.


Argostemma sarmentosum

Credit: M. Rafiq

  • Pomangium Reinw.

    Succulent subhyaline herbs. Leaves mostly opposite or pseudoverticillate, unequal in size, (anisophyllus) ovate elliptic to rounded. Stipules inter-petiolar, entire, persistent or obsolete. Inflorescence usually in peduncled racemes or umbel. Flowers white. Calyx (3-) 4-5 (-7)-lobed. Hypanthium lobed, obconical, turbinate or campanulate. Corolla rotate, tube very reduced, 4-5-lobed, lobes obtuse or acuminate, valvate. Stamens 4-5, usually exserted, anthers connivent with 1-2 terminal pores. Disc moderately thick, hard. Ovary 2-loculed, many ovules in each locale; stigma capitate. Capsule 2-celled, coriaceous or membranous, dehiscent by an operculatum, many-seeded. Seeds minute, compressed, testa reticulate.

    A genus of about 100 species, in tropical Africa and Asia. Represented here by the following species.

    Lower Taxon


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