Naturalist illustration poster, ideal for enhancing a decoration inspired by nature - Aristoloche siphon by Charles d'Orbigny

Engraving reproduction of: Aristolochia sipho (Aristolochia sipho, Lhérit.)

Illustration taken from the Universal Dictionary of Natural History, written under the direction of Charles Henry Dessalines d'Orbigny (1806-1876) and published from 1841 to 1849.

This work, considered one of the major achievements of the 19th century in terms of scientific synthesis and quality popularization, wonderfully illustrating the great beauty and impressive diversity of the biological world, was supplemented by a certain amount of scientific information, some extracts of which are reproduced below.

Scientific classification and description of the species present in the engraving:

Class of Dicotyledonous Plants
Subclass Apetalia
Order of the Gynandreas
Family Aristolochiae
Siphon Aristolochia (Aristolochia sipho, Lhérit.)
Fig. 1. Diagram of the flower.
Fig. 2. Closed perianth showing its pre-flowering.
Fig. 3. Longitudinal section of the open flower.
Fig. 4. Enlarged sexual organs: a. Gynandrous anthers.
• b, Stigmata.
• c. Ovary.
Fig. 5. Pollen.
Fig. 6. Cross section of the ovary: a. Cellular portion of the walls.
• b. Vascular bundles.
• c. Uniseriate ovules.
Fig. 7. A very enlarged ovule: a. Raphe.
• b. Primine.
• c. Secondine.
Fig. 8. Fruit.
Fig. 9. Seed viewed from the side: a. Funicle.
• b. Caruncle formed by a dilation of the raphe.
Fig. 10. Seed, from which the caruncle has been removed, and accompanied by two flaps of the endocarp.
Fig. 11. Cross section of the seed.
Fig. 12. Longitudinal section of the seed to show the embryo in place.
Fig. 13. Isolated embryo, highly magnified.
Fig. 14. Fragment of a cross-section of the stem of Aristolochia sipho, Lhérit.
Fig. 15. Fragment of a cross-section of the stem of Aristolochia clematitis, Lin.

Important note: The scientific classification elements of the time have been preserved as they were and may of course be obsolete today. The current name of the specimen is "Dutchman's Pipe" (Aristolochia macrophylla)