Dombeyaceae

Alternative classification: Malvaceae s.l. - subfam. Dombeyoideae

Pentapetaceae

Pentapetes L. [Not native]

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  1. Pentapetes phoenicea L., Sp. Pl. (1753) 698; --Merr., EPFP 3 (1923) 46. Widespread in the Asian tropics. Probably an introduced plant in the Philippines, but now thoroughly naturalized. LUZON: La Union, Cagayan, Tayabas, Bataan, Pampanga, Laguna, NEGROS, SAMAR, MINDANAO. Open, rather damp grasslands and lake shore vegetation.

Pterospermum Schreb.

Last edited by Pieter B. Pelser, 12 July 2020

Photos
  1. Pterospermum cumingii Merr. & Rolfe, PJS 3 c (1908) Bot. 113; --Merr., EPFP 3 (1923) 49; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 195; --Type: Cuming 1860 (K, holo; A, iso), Philippines: 1841. --Pterospermum rubiginosum auct. non Heyne ex G.Don.; --Fernandez-Villar, Nov. App. (1880)28. Endemic to the Philippines. LUZON: Pangasinan, Zambales. Dry slopes in secondary forests. Conservation status: Endangered B1ab(iii,iv,v)+2ab(iii,iv,v) (Ganesan et al. 2020). Photos
  2. Pterospermum diversifolium Blume, Bijdr. (1825) 88; --Merr., Fl. Manila (1912) 330; EPFP 3 (1923) 49; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 197; --Batuyong et al., Biodiversitas 21 (2020) 3973; --Type: from Java (lecto). --Pterospermum hastatum Blanco, Fl. Filip.  (1837) 528; --Merrill, Sp. Blancoan. (1918) 260; --Type: Ramos s.n. (Merrill Species Blancoanae 533) (US, neo; NY, isoneo), Luzon: Batangas Prov, Mt Apayang, 25-Jul-1914. --Pterospermum acerifolium auct. non. Willd.; --Vidal, Revis. Pl. Vasc. Filip. (1886) 67. Borneo, Cambodia, India, Java, Laos, Myanmar, Peninsular Malaysia, Lesser Sunda Isls, Moluccas, Singapore, Sulawesi, Sumatra, Thailand, Vietnam, Philippines. LUZON: Albay, Ilocos Norte, Nueva Ecija, Quezon, Rizal, Cagayan to Camarines, LEYTE, MINDORO, PALAWAN, TICAO, MASBATE, GUIMARAS, NEGROS, MINDANAO: Davao, BASILAN. Forests at low and medium elevation. Common. Conservation status: Least Concern (Ganesan et al. 2020). Photos
  3. Pterospermum elmeri Merr., PJS 7 c (1912) Bot. 304; --Merr., EPFP 3 (1923) 50; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 200; --Type: Elmer 11928 (NY, lecto; A, E, GH, K, US, isolecto). Endemic to the Philippines. MINDANAO: Davao (Mt Apo, Todaya), SAMAR. Light forests, c. 750m. Conservation status: Critically Endangered (Possibly Extinct) B1ab(iii)+2ab(iii) (Ganesan et al. 2020).
  4. Pterospermum elongatum Korth., Nederl. Kruidk. Arch. 1 (1848) 312; --Kosterm., Reinwardtia 7 (1959) 441; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 202; --Type: from Borneo (lecto). --Pterospermum perrinii Elmer, LPB 5 (1913) 1840; --Merr., EPFP 3 (1923) 50; --Type: Elmer 12841 (K, lecto; A, BISH, E, HBG, L, NY, U, US, isolecto), Palawan: Puerto Princesa, Mt Pulgar, Mar-1911. Borneo, Philippines. PALAWAN. Densely forested stream depressions, c. 450m. Conservation status: Least Concern (Ganesan et al. 2020).
  5. Pterospermum longipes Merr., PJS 7 c (1912) Bot. 304; --Merr., EPFP 3 (1923) 50; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 215; --Type: Ramos 14632 (PNH, holo, lost; K, lecto; US, isolecto), Camiguin: Mt Mahinog, 9-Apr-1912. Endemic to the Philippines. CAMIGUIN DE MINDANAO, MINDANAO: Davao, Surigao. Forests at low and medium elevation. Conservation status: Endangered B2ab(ii,iii) (Ganesan et al. 2020).
  6. Pterospermum megalanthum Merr., PJS 14 (1919) 420; --Merr., EPFP 3 (1923) 50; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 216; --Type: Ramos & Edaño 31269 (PNH, holo, lost; A, lecto; K, US, isolecto), Panay: Capiz, Jamidan, 28-Apr-1918. Endemic to the Philippines. PANAY. Forests at low elevation. Conservation status: Endangered B1ab(iii,v)+2ab(iii,v) (Ganesan et al. 2020).
  7. Pterospermum merrillianum S.K.Ganesan, Edinburgh J. Bot. 77 (2020) 217; --Type: BS 19106 Ramos & Edaño (NY, holo; BO, iso), Mindanao: Davao Prov, Mati, Mar/Apr-1927. Borneo, Philippines. MINDANAO: Davao. Conservation status: Endangered B2ab(ii,iii) (Ganesan et al. 2020).
  8. Pterospermum niveum S.Vidal, Rev. Pl. Vasc. Filip. (1886) 67; --Merr., EPFP 3 (1923) 50; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 219; --Type: Vidal 1185 (MA, lecto), Luzon: Rizal Prov, San Mateo. Lanyu and Lutao (off Taiwan), Philippines. BATANES, LUZON: Abra, Bataan, Benguet, Bulacan, Cagayan, Camarines, La Union, Laguna, Mountain Province, Nueva Ecija, Pangasinan, Quezon, Rizal, Tayabas, Zambales, CATANDUANES, MINDORO, MINDANAO: Agusan, Zamboanga del Norte, Misamis, Cotabato. Open or secondary forests, stream gallery forests, primary forest gaps, also on limestone at low elevation. Conservation status: Least Concern (Ganesan et al. 2020). Photos
  9. Pterospermum obliquum Blanco, Fl. Filip. (1837) 529; --Merr., EPFP 3 (1923) 50; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 221; --Type: Andes s.n. (Merrill Species Blancoanae 286) (US, neo; A, K, NY, isoneo), Luzon: Rizal Prov, Sep-1912. --Pterospermum semisagittatum auct. non Buch.-Ham. ex Roxb.; --Blanco, Fl. Filip., ed. 2 (1848) 368. --Pterospermum blumeanum auct. non. Korth.; --Merrill, Bull. Bur. Forest. Philipp. Islands 1 (1903) 37. --Pterospermum sczegleewia (Turcz.) Turcz., Bull. Soc. Nat. Moscou 36 (1863) 573; --Sczegleewia involucrata Turcz., Bull. Soc. Nat. Moscou 31 (1858) 233; --Type: Cuming 1022 (NY, lecto; A, KW, LECB, M, MW, OXF, isolecto), Luzon: 1841. Endemic to the Philippines. ALABAT, BURIAS, GUIMARAS, LEYTE, LUZON: Bataan, Benguet, Bulacan, Ilocos Norte, Ilocos Sur, Laguna, Mountain Province, La Union, Cagayan, Nueva Ecija, Zambales. Pampanga, Rizal, Quezon, MARINDUQUE, MINDORO, NEGROS, PALAWAN, PANAY, SAMAR, SEMIRARA, MINDANAO: Zamboanga. Primary forests at low and medium elevation. Often common. Conservation status: Least Concern (Ganesan et al. 2020). Photos
  10. Pterospermum subpeltatum Merr., PJS 3 c (1908) Bot. 204; --Merr., EPFP 3 (1923) 51; --Ganesan et al., Edinburgh J. Bot. 77 (2020) 228; --Type: Williams 2350 (NY, lecto; NY, isolecto), Mindanao: Zamboanga Prov, Sax River, 18-Feb-1905. ?Borneo (not listed by Ganesan et al. 2020), Philippines. SAMAR, MINDANAO: Zamboanga (Sax River), Lanao, BASILAN. Forested slopes, at low and medium elevation. Conservation status: Endangered B2ab(ii,iii) (Ganesan et al. 2020).
Non-naturalized:
  1. Dombeya wallichii (Lindl.) Benth. & Hook. ex Hook.f. & Jacks., Gen. 1 (1862) 221; --Backer & Bakh.f., Fl. Java 1 (1963) 405; --Pancho & Gruezo, Vasc. Fl. Mt Makiling 2 (2006) 427; --Astrapaea wallichii Lindl., Coll. Bot. (1821) t. 14. Native of Madagascar. Introduced in the Philippines as an ornamental tree.

Literature

Ganesan, SK, DJ Middleton & P Wilkie. 2020. A revision of Pterospermum (Malvaceae: Dombeyoideae) in Malesia. Edinburgh Journal of Botany 77: 161-241. 

Pelser, P.B., J.F. Barcelona & D.L. Nickrent (eds.). 2011 onwards. Co's Digital Flora of the Philippines. www.philippineplants.org

Copyright © 2011, Co's Digital Flora of the Philippines

Last updated 14 August 2020