> [!cite] BHL link: this entry starts at [page 415](https://www.biodiversitylibrary.org/page/33333554) of TL-2 Vol. V
> Author links: [IPNI](https://www.ipni.org/a/9347-1) LSID 9347-1, [Wikidata](https://www.wikidata.org/wiki/Q2938868) QID Q2938868
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Schwacke, \[Carl August\] Wilhelm (1848-1904), German (Hannover) botanist; studied botany at Göttingen and Bonn; on active service in the Franco-Prussian war; emigrated to Brazil 1872; "naturalista viajante" travelling scientist for the Rio de Janeiro National Museum 1874-1891; professor of botany at and later director of the School of Pharmacy in Ouro Preto 1891-1904; German vice-consul for Minas Geraes.
**Abbreviated name**: *Schwacke* \[standard form in IPNI: *Schwacke*\]
#### Herbarium and types
[[Collection RB|RB]] (14.000) and [[Collection R|R]]; other material in [[Collection B|B]] (mainly destr.), [[Collection BHMG|BHMG]], [[Collection BR|BR]], [[Collection C|C]], [[Collection DPU|DPU]], [[Collection EM|EM]], [[Collection G|G]], [[Collection GOET|GOET]], [[Collection H|H]] (bryo.), [[Collection IAC|IAC]], [[Collection NY|NY]], [[Collection P|P]], [[Collection RB|RB]], [[Collection SP|SP]], [[Collection U|U]], [[Collection US|US]], and [[Collection W|W]]. –
Schwacke made several of his collections available to Glaziou who sometimes labelled them as having been collected by himself. Several Glaziou collections labelled to come from the neighbourhood of Rio de Janeiro are actually Schwacke collections from Amazonas.
#### Bibliography and biography
Barnhart 3: 248 (b. 29 Jul 1848, d. 11 Dec 1904); Biol.-Dokum. 16: 8464; Bossert p. 357; Herder p. 226; IH 1 (ed. 7): 342; Morren ed. 10, p. 151; Rehder 5: 785; Tucker 1: 639; Urban-Berl. p. 268, 290, 395.
#### Biofile
- Anon., Ber. deut. bot. Ges. 22: (131). 1904 (d. 12 Dec 1904); Bot. Jahrb. 14, Beibl. 31: 17. 1891 (app. Ouro Preto), 37: Beibl. 84: 3. 1906 (d.); Nat. Nov. 27: 507. 1905 (d.); Österr. bot. Z. 55: 331. 1905 (d.).
- Loesener, Th., Ber. deut. bot. Ges. 23: (12)-(15). 1905 (obit., bibl., d. 11 Dec 1904).
- Prance, G., Acta amaz. 1(1): 58. 1971 (coll.).
- Sampaio, A.J., Arch. Mus. nac. Rio de Janeiro 41, 45, 47. 1919 (naturalista viajante 17 Mar 1874-17 Apr 1891).
- Schwacke, W., Bot. Jahrb. 12 (Beibl. 28): 4-10. 1890 (report on an excursion to the Serra de Caparao, Minas Geraes, Brazil).
- Stafleu, F.A., Rec. trav. bot. néerl. 41: 533. 1948 (S. specimens at RB and U); Acta bot. néerl. 2(2): 214. 1953 (id.).
- Stieber, M.T., Huntia 3(2): 125. 1979 (mentioned in notes A. Chase).
- Urban, I., Fl. bras. 1(1): 104-105. 1906 (biogr. sketch, itin.).
- Wagenitz, G., Index coll. princ. herb. Gott. 153. 1982.
#### Note
- (1) *Piperaceae et Meliaceae brasilienses* a cl. W. Schwacke lectae, auctore C. de Candolle, Bull. Herb. Boiss. ser. 2. 1(4): 353-366 \[1-14\]. 31 Mar 1901.
- (2) *Polygalaceae schwackianae* sive Polygalacearum a cl. Schwacke in Brasilia lectarum auct. R. Chodat, Bull. Herb. Boiss. ser. 2. 4: 910-913 \[1-4\]. 31 Aug 1904.
#### Eponymy
*Schwackaea* Cogniaux (1891).
### Publications
##### n.11.422. Additiones ad floram brasilianam
**Title**
*Additiones ad floram brasilianam* fasc. i. Celastrineae. Myristicaceae. Auctore Guil. Schwacke. Rio de Janeiro (apud Moreira Maximino et c.ia...) 1886. †.
**Abbreviated title**: *Add. fl. bras.*
**Notes**
*Publ*.: 1886, p. 1, 3, *pl. 1-2* (uncol. liths. Villas-Boas illustrating *Maytenus Mülleri* and *Myristica paradoxa*). *Copies*: G, HH.
*Note*: Loesener (1905) mentions a second "fascicle" containing one plate (*Tetrastylidium Engleri*) which, however, he did not see. We found no copy of this plate.
##### n.11.423. Eine brasilianische Gunnera
**Title**
*Eine brasilianische Gunnera* (Gunnera manicata Linden).. (Separat-Abdruck aus Engler, Botanische Jahrbücher, XII. Band, 4. Heft) \[1890\]. Oct.
**Notes**
*Publ*.: 26 Aug 1890, p. \[1\]-3. *Copy*: M. – Reprinted and to be cited from Bot. Jahrb. 12(3/4)(Beibl. 28): 1-3. 1890.
##### n.11.424. Ein Ausflug nach der Serra de Caparaó
**Title**
*Ein Ausflug nach der Serra de Caparaó* (Staat Minas, Brasilien) nebst dem Versuche einer Vegetationsskizze der dortigen Flora)... Separat-Abdruck aus Engler, Botanische Jahrbücher, XII. Band, 3/4 Heft: Beiblatt Nr. 28) \[1890\]. Oct.
**Notes**
*Publ*.: 26 Aug 1890, p. \[1\]-11. *Copy*: M. – Reprinted and to be cited from Bot. Jahrb. 12(3/4)(Beibl. 28): 4-10. 1890.
##### n.11.425. Plantas novas minciras
**Title**
Estado de Minas Geraes. *Plantas novas minciras* por W. Schwacke... Ouro Preto (Imprensa official do Estado de Minas) 1898. 2 fasc. †.
**Abbreviated title**: *pl. nov. mineir.*
**Notes**
*1*: Apr 1898 (p. 3: 21 Feb 1897; copy at BR dedicated by Schw. to A. Cogniaux, Ouro Preto 29 Apr 1898; id. to Loesener 29 Apr 1898; id. to Radlkofer 29 Apr 1898), p. \[1\]-10, *pl. 1-3* (uncol. liths.).
*2*: 1900, p. \[1\]-42, *pl. 1-4* (uncol. liths. A. Avé-Lallemant), \[1, err.\].
*Copies*: BR, G, HH, M.