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Morphology of Cacti - Subfamily Maihuenioideae

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Habit

Shrub like as short cushons (Anderson 2001, Ramawat 2010) i.e. caespitose.

Stems

Succulent, short cylindrical to globose

Leaves

Small, terete, persistent

Areoles

Present

Flower

Terminal, solitary.

Fruits

Somewhat fleshy, with small scales

Seeds

Almost round, 3-4 mm in diameter, shiny

Glochids

Absent

Spines

Usually 3 per areole

Roots

Thick succulent roots

Metabolism

C3 -Calvin cycle (Anderson 2001) only.

Neoteny or paedomorphosis

Absent

Distribution

Restricted to Argentina and Chile

  

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