s.n. (Holotype presumably I 



Petesia repens Sesse & Moc., Fl. Mexic. 21. 

 1893. Type: MEXICO: Habitat in Ahualuci 

 pratis, florit Octobris, Sesse & Mocino s.n. 

 (presumably MA, n.v.).— Status uncertain. 



Petesia stipularis Sesse & Moc., Fl. Mexic. 21. 

 1893, La Naturaleza 2, 2: App. 2, 16. 1893. 

 Not Petesia stipularis L., 1759. Type (listed 

 twice): MEXICO: Habitat in Montibus 

 Mazatlanensibus, floret Maio, habitat in 

 Acahuitzotlae montibus, floret Julio, Sesse & 

 Mocino s.n. (presumably MA, n.v.).— Status 

 uncertain, possibly Chomelia or Sommera. 

 Protologue states leaves are prominently 

 lineolate beneath and inflorescence is once 

 dichotomous. 



Pinarophyllon Brandegee, Univ. Calif. Publ. 

 Bot. 6: 71. 1914. Type: Pinarophyllon flavum 

 Brandegee 



Pinarophyllon bullatum Standi., N. Amer. Fl. 

 32: 87. 1921. Type: GUATEMALA: Alta 

 Verapaz, between Sepacuite and Secoyocte, 

 1 100 m, 24 May 1905, H. Pittier 348 

 (Holotype US 473013 (photos MEXU, PTBG, 

 US)). 



Pinarophyllon flavum Brandegee, Univ. Calif. 

 Publ. Bot. 6: 71. 1914. Type: MEXICO: 

 Chiapas, Finca Mexiquito, Jun 1913, C. A. 

 Purpus 6700 (Holotype UC 172447, n.v.; 

 Isotypes F (photo PTBG), GH, n.v., US 

 (photos MEXU, PTBG)). 



Pittoniotis Griseb., Bonplandia 6: 8. 1858. Type: 

 Pittoniotis tnchantha Griseb. 



Pittoniotis protracta (Bartl. ex DC.) Griseb., 

 Bonplandia 6: 8. 1858. Guettarda protracta 

 Bartl. ex DC, Prodr. 4: 457. 1830. Type: 

 MEXICO: Without precise locality, Haenke 

 s.n. (Holotype presumably PR, n.v.). 

 Anisomeria.— Chomelia protracta (Bartl. ex 

 DC.) Standi. 



Pittoniotis trichantha Griseb., Bonplandia 6 8 

 1858. Type: PANAMA: Without precise 

 locality, Duchassaing s.n. (possibly P, n.v.). 

 Antirhea. 



Placocarpa Hook. f. in Benth. & Hook, f., Gen. 

 PI. 2: 107. 1873. Type: Placocarpa mexicana 

 Hook. f. 



Placocarpa mexicana Hook. f. in Benth. & 

 Hook, f, Gen. PI. 2: 108. 1873. Type: 

 MEXICO: Veracruz, Orizaba, Apr 1855, 

 Botteri 913 (Lectotype P, (photo PTBG), here 

 designated; Isolectotypes F (fragment), K 

 (photo PTBG). Syntypes: MEXICO: 

 Veracruz, Orizaba, Botteri 316 (F, K (photo 

 PTBG)); Bourgeau 3022 (K (photo PTBG)). 

 The sheet of Botteri 913 at P, with duplicates 

 in two other herbaria and copious flowers and 

 fruits, represents the most appropriate choice 

 for lectotype. 



Plocaniophyllon Brandegee, Univ. Calif. Publ. 



Bot. 6: 69. 1914. Type: Plocaniophyllon 



flavum Brandegee 

 Plocaniophyllon flavum Brandegee, Univ. 



Calif. Publ. Bot. 6: 69. 1914. Type: MEXICO: 



Chiapas, Finca Mexiquito, Jun 1913, C. A. 



Purpus 7019 (Holotype UC 173077, n.v.; 



Isotypes F (photos MEXU, PTBG), US 



(photos MEXU, PTBG)). 



Pogonopus Klotzsch, Monatsber. Konigl. 

 Preuss. Acad. Wiss. Berlin 1853: 500. 1853. 

 Type: Pogonopus ottonis Klotzsch 



Pogonopus exsertus (Oerst.) Oerst, Amer. 

 Centr. 17. t. 13. 1863. Macrocnemum 

 exsertum Oerst., Vidensk. Meddel. Naturhist. 

 Foren Kjobenhavn 1852: 45. 1853. Type: 

 COSTA RICA: Jaris, Oersted (Holotype C, 

 n.v.). Note: Pogonopus speciosus (Jacq.) K. 

 Schum., a species from northern South 

 America, was erroneously recorded from 

 Central America by Standley & Williams 

 (1975) and Dwyer (1980). 



Portlandia P. Browne, Hist. Jamaica 164, t. 11. 

 1756. Type: Portlandia grandiflora L. 



Portlandia ghiesbreghtiana Baill., Adansonia 

 12: 300. 1879. Type: MEXICO: Oaxaca, pres 

 de Hacienda de Huijastla au bord des ravine, 

 1842-3, Ghiesbreght 27 (Holotype P (photos 

 MEXU, PTBG); Isotypes F, P (3 sheets; 



