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Morphology of Cacti - Subfamily Cactoideae, Tribe – Notocacteae Buxbaum 1958

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Habit

Mostly solitary, rarely treelike or shrubby (Anderson 2001).

Stems

Unsegmented, mostly globose, ribbed, ribbedtuberculate, or tuberculate; reproductive areas undifferentiated

Leaves

 

Areoles

 

Flower

Arising from the woolly apices though subapical, small to medium, diurnal, regular to bilaterally symmetrical; pericarpels with small scales, areoles with bristles or hairs

Fruits

Usually dry, rarely berrylike, dehiscent or indehiscent

Seeds

Small to medium, variable in shape, hilum and micropyle conjunct, strophiole often present, some with mucilage sheath

Glochids

Absent

Spines

 

Roots

Fibrous or tuberous roots

Metabolism

CAM - Crassulacean acid metabolism (Anderson 2001).

Neoteny or paedomorphosis

Absent

Distribution

Southern South America

  

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