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Notes:
This species is characterized by regularly developed stems without spines or regularly formed short-shoots; medium-sized to somewhat small leaves; congested umbelliform inflorescences; 4-merous salverform corollas with a well developed tube ca. 9 mm long, a glabrous throat, and lobes ca. 3 mm long; and densely villous turbinate fruits. The stipules sometimes bear scattered, well developed colleters projecting from the margins.
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