Triosteum

Photo: Triosteum aurantiacum.
Photo: Triosteum aurantiacum 0.

Plants in green fruit. Gothenburg bot.g., Sweden. Planted. 2007-07-12.
Photo: Triosteum aurantiacum 1.
Photo: Triosteum aurantiacum 1.

Green fruit. Gothenburg bot.g., Sweden. Planted. 2007-07-12.
Photo: Triosteum perfoliatum.
Photo: Triosteum perfoliatum 0.

Flowering plant. This one looks just weird. Uppsala bot. g., Sweden. Planted. 2003-06-23.
Photo: Triosteum perfoliatum 1.
Photo: Triosteum perfoliatum 1.

Flowering plant. Uppsala bot. g., Sweden. Planted. 2003-06-23.
Photo: Triosteum pinnatifidum.
Photo: Triosteum pinnatifidum 0.

Plant with flowerbud. Gothenburg bot.g., Sweden. Planted. 2005-06-04.
Photo: Triosteum pinnatifidum 1.
Photo: Triosteum pinnatifidum 1.

Characteristic leaf with flowerbud. Gothenburg bot.g., Sweden. Planted. 2005-06-04.
Pl. 09. Triosteum perfoliatum.
Pl. 09. Triosteum perfoliatum.

Classic texts: Bigelow 1817-1821: The images.
Table 04. Triosteum perfoliatum.
Table 04. Triosteum perfoliatum.

Classic texts: W. Barton, 1817 (Vol. 1), 1818 (Vol. II): The pics.