All Floras      Advanced Search
Login | eFloras Home | Help
Pakistan | Family List | Oxalidaceae

Oxalis L., Sp. Pl. 433. 1753. Gen. Pl. ed. 5. 198. 1754; Edgew. and Hk. f. in Hk. f. Fl. Brit. Ind. 1 : 435. 1874.

Mostly bulbous herbs with acidic juice. Aerial stem reduced, creeping or rhizomatous. Leaves digitately compound, showing sleep movements. Flowers regular. Stamens monadelphous at the base; filaments 5 long and 5 short, alternating with one another. Ovary 5 locular with one or more ovules in each locule. Often heterostylous (in some European species). Fruit capsular. Seeds with an elastic testa.

A large genus with about 800 species. Mostly found in North and South America, South Africa and fairly well represented in Europe and Asia.

1 Stem elongated; rhizomatous or creeping and lying above the ground. Leaves radical. Bulbils absent   (2)
+ Stem reduced; not a rhizome or a creeper. Leaves basal. bulbils present   Oxalis acetosella
2 (1) Rhizome scaly. Flowers white to pale pink, 10-14 mm long. Seeds longitudinally ribbed   (1)
+ Creepers pubescent. Flowers yellow, 6-7 mm long. Seeds transversely ribbed   Oxalis corniculata
3 Peduncle 1 flowered. Flowers pink with yellow throat   Oxalis variabilis
+ Peduncle 2-many flowered Flowers yellow   (4)
4 (3) Flowers yellow. Longer filaments glabrous   Oxalis pes-caprae
+ Flowers pink. Longer filaments strigose   (5)
5 (4) Leaflets obcordate. Pedicel hairy. Longer filaments c. 4.5 mm long   Oxalis corymbosa
+ Leaflets triangular. Pedicel glabrous. Longer filaments 3 mm long   Oxalis latifolia

Lower Taxa

Related Synonym(s):


Related Objects  

Flora of Chile  
  • PDF
  • PDF
    Flora of China  
  • Oxalis.pdf
  • PDF

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |