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	Isotrema tomentosum  (SIMS) H.HUBER

Fam.: Aristolochiaceae / Birthwort Fam.

Synon.:  Aristolochia tomentosa  SIMS

Genus:  Isotrema  RAF.,  Aristolochia  L.

Authors:
	SIMS:		John Sims (1749 - 1831), English physician and botanist
	H.HUBER:		Herbert Franz Josef Huber (1931 - 2005), German botanist at Kaiserslautern
	RAF.:		Constantine Samuel Rafinesque-Schmaltz (1783 - 1840), biologist in Europe and USA
	L.:		Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals

Etymology:
	Isotrema:		iso = equal, trema = hole
	tomentosum:		tomentose
	Aristolochia:		aristos = very good, locheia = birth (ecbolic)

Fig. 1:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine D Karlsruhe 18.9.2025

Fig. 2:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine D Karlsruhe 18.9.2025

Fig. 3:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine D Karlsruhe 18.9.2025

Fig. 4:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 5:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 6:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 7:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 8:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 9:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (leaf bottom side) D Karlsruhe 18.9.2025

Fig. 10:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 11:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 12:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

Fig. 13:  Isotrema tomentosum / Woolly Dutchman's-Pipe, Pipevine (cultiv.) D Karlsruhe 18.9.2025

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Copyright: Use of the images and texts only with the author's written permission.