Portulacaceae

Portulaca L.

Last edited by Pieter B. Pelser, 2 June 2021

Portulaca grandiflora Hook., Bot. Mag. 56 (1829) t. 2885; ≡ Portulaca pilosa ssp. grandiflora (Hook.) R.Geesink, Blumea 17 (1969) 297. Distribution: Neotropics. Notes: Cultivated as an ornamental and occasionally escaped. Naturalized.
Portulaca oleracea L., Sp. Pl. (1753) 445; Merr., Fl. Manila (1912) 200; EPFP 2 (1923) 136. Distribution: Pantropic. APULIT, BALABAC, LEYTE, LUZON: Cavite, Ilocos Norte, Laguna, NCR, MINDANAO: Davao del Sur, South Cotabato, Zamboanga, Zamboanga del Norte, MINDORO. Notes: Cryptogenic (Ocampo & Columbus 2012). Throughout the Philippines in the settled areas. Purslane. Native.
Portulaca pilosa L., Sp. Pl. (1753) 445; Merr., Fl. Manila (1912) 199; EPFP 2 (1923) 136; Geesink, Blumea 17 (1969) 295. Distribution: C & S America. LUZON: Cavite, Ilocos Norte, La Union, Pangasinan, Rizal, MINDORO. Notes: Not native to the Philippines? Naturalized.
- ssp. pilosa. = Portulaca pachyrrhiza auct. non Gagnep.; Merr., EPFP 2 (1923) 136. Distribution: C & S America. LUZON: Cavite, Ilocos Norte, La Union, Pangasinan, Rizal. Notes: Dry open places and along sandy seashores. Naturalized.
Portulaca psammotropha Hance, Ann. Bot. Syst. (Walpers) 2 (1852) 660; Chung et al., Taiwania 53 (2008) 91; Kokubugata et al., Phytotaxa 217 (2015) 285. Distribution: China, Philippines, Taiwan. BATAN. Native.
Portulaca quadrifida L., Mant. 1 (1767) 73; Fl. Manila (1912) 200; EPFP 2 (1923) 137. Distribution: Africa, Bangladesh, Borneo, China, India, Indian Ocean, Java, Lesser Sunda Isls, Malay Peninsula, Middle East, Moluccas, Myanmar, New Guinea, Pacific Ocean, Pakistan, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Vietnam. BATAN, LUZON: Cagayan, Rizal. Notes: In Luzon from Cagayan to Rizal. Probably an introduced plant in the Philippines. Weed in human settlements. Naturalized.

References

📋 Chung, S-W, DA Madulid & T-C Hsu. 2008. Portulaca psammotropha Hance (Portulacaceae), a neglected species in the Flora of Taiwan and the Philippines. Taiwania 53: 90-95
📋 Geesink, R. 1969. An account of the genus Portulaca in Indo-Australia and the Pacific (Portulacaceae). Blumea 17: 275-301
📋 Geesink, R. 1971. Portulacaceae. Flora Malesiana series 1, 7:121-133
📋 Kokubugata G, H Kato, D Iamonico, H Umemoto, T Ito, K Nakamura, N Murakami & M Yokota. 2015. Taxonomic reexamination of Portulaca boninensis (Portulacaceae) in the Bonin (Ogasawara) Islands of Japan using molecular and morphological data. Phytotaxa 217: 279-287
📋 Nyffeler, R, & U Eggli. 2010. An up-to-date familial and suprafamilial classification of succulent plants. Bradleya 28: 125-144
Ocampo, G & JT Columbus. 2012. Molecular phylogenetics, historical biogeography, and chromosome number evolution of Portulaca (Portulacaceae). Molecular Phylogenetics and Evolution 63: 97-112.