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Pakistan | Family List | Rhamnaceae

2. Berchemia DC., Prodr. 2:22. 1825. Benth. & Hook. f., Gen. Pl. 1:377. 1754; Lawson in Hook. f., Fl. Brit. Ind. 1:637. 1875; Parker, For. Fl. Punj. ed. 2:86. 1921; Collett, Fl. Simi. ed. 2:90. 1921.

M. QAISER AND S. NAZIMUDDIN

Erect or scandent, glabrous shrub, with or without spines. Leaves alternate, entire with almost parallel nerves, petiolate to subsessile, stipules subulate. Flowers in fascicles, axillary spikes or panicles, hermaphrodite or polygamous. Calyx 5-6 fid., hypanthium hemispherical or turbinate. Petals 5-6 obovate, sometimes hooded. Disc thick, lining the calyx tube. Stamens exerted. Ovary surrounded by disc, but free, 2-celled ovoid, narrowed upward; style bifid; stigma 2 lobed. Drupe cylindric or ovoid, hard. Pyrenes woody, 2-celled.

A small genus of about 10 species scattered throughout the tropics of Asia, Africa and America; represented in Pakistan by 3 species.


1 Leaves 5-12 cm long, acuminate, petiole 1-2 cm long. Flowers in axillary panicles   1 Berchemia floribunda
+ Leaves 0.5-2 cm long, rounded or obtuse, petiole 2-5 mm long. Flowers in axillary fascicles   (2)
       
2 (1) Leaves with 3-5 pairs of lateral nerves, stipules not more than 2 mm long, linear. Fruit oblong, c. 8 x 2.5 mm   2 Berchemia pakistanica
+ Leaves with 6-8 pairs of lateral nerves, stipules up to 5 mm long, ovate-lanceolate. Fruit ovoid c. 6 x 4.5 mm   3 Berchemia edgeworthii

Lower Taxa

Related Synonym(s):


 

Related Objects  

Flora of China  
  • Berchemia.pdf
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