Phyllis viscosa is a flowering plant in the family Rubiaceae.

It is smaller than Phyllis nobla of the same genus, with narrow, sticky leaves and short, dense inflorescence.

[1] Tenerife: W, region, Los Silos, Cuevas Negras, Montes de Teno, Masca etc., cliffs in the lower zone up to 1,000 metres (3,300 ft) at Cumbre de Masca.

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