Etymology :: epithet osyrensis

Please help with the etymology of osyrensis as in Argyreia osyrensis (Roth) Choisy

The suffix ensis would mean “of or from some place”. However, I was not able to find.

In my post at Google Group efloraofindia, Ron suggested it may have some connection with sandalwoods in some manner … stemming from osyr - Greek Osyris - genus of plants in the Family Santalacea - many of its genus known as sandalwoods. His perspective that it could be a place where sandalwoods grow, is the nearest possibility of finding what osyrensis is named for.

Looking forward to know about this epithet’s etymology.

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Can you find a copy (scanned online?) of the 1845 description?
https://convolvulaceae.myspecies.info/content/argyreia-osyrensis-0

Based on the original descriptions I think it’s referring to a place called “Osyre” in India. But I cannot find a modern name for the place so I could be way off mark

Edit: https://www.biodiversitylibrary.org/item/7158#page/339/mode/1up

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https://www.researchgate.net/publication/316527851_A_nomenclatural_review_of_Argyreia_Convolvulaceae

Argyreia osyrensis (Roth ex Roem. & Schult.) Choisy in
Candolle, Prodr. 9: 334. 1845 ≡ Ipomoea osyrensis Roth ex
Roem. & Schult., Syst. Veg. 4: 239. 1819; “Ipomoea osyren-
sis” Roth, Nov. Pl. Sp.: 117. 1821, isonym ≡ Lettsomia aggre-
gata var. osyrensis (Roth ex Roem. & Schult.) C.B.Clarke in
Hooker, Fl. Brit. India 4: 192. 1883, nom. illeg. ≡ Argyreia
aggregata var. osyrensis (Roth ex Roem. & Schult.) Gagnep.
& Courchet in Lecomte, Fl. Indo-Chine 4: 280. 1915, nom.
illeg. ≡ Argyreia imbricata var. osyrensis (Roth ex Roem.
& Schult.) Santapau & V.Patel in Trans. Bose Res. Inst.
Calcutta 22: 40. 1958 – Lectotype (designated here): India.
“in Osyre, India orientalis”, B. Heyne s.n. under Wallich Cat.
1362.2 (K-W!; isolectotype: G-DC barcode G00135993!).

I’m at a dead end

After some further looking I think that it is (or was) a place in Dutch East India

Capture

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Need to find a historian next …

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from https://www.ipni.org/n/60476136-2 :

Heyne made the collection in Orissa and coined the manuscript name Convolvulus orixensis (as seen from his hand-written annotation on a syntype specimen); Roth misread Heyne’s epithet as osyrensis and published the same. The publishing authors Romer and Schultes ascribed the name and the description together to: Roth … MSS. Therefore, Roth is the author of the species name (see the ICN Art. 46 Ex. 22)

Odisha is the modern name of Orissa. It’s a state in Eastern India.

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