Hydrangeaceae

Deutzia Thunb.

Last edited by Pieter B. Pelser, 14 November 2022
  1. Deutzia pulchra S.Vidal, Rev. Pl. Vasc. Filip. (1886) 124; Merr., EPFP 2 (1923) 218; Pan et al., Fl. China 8 (2001) 269; Type: Vidal 1362 (MA, syn), Luzon: Lepanto. = Deutzia acuminata Merr., PJS 12 c (1917) Bot. 266; EPFP 2 (1923) 218. Distribution: Philippines, Taiwan. LUZON: Abra, Aurora, Benguet, Ifugao, Ilocos Sur, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Zambales, PANAY. Notes: Commonly in the montane zone between 1000-2400m, in thickets, exposed ridges, ravines and clearings in the mossy forests. Native.

Hydrangea L.

Last edited by Pieter B. Pelser, 30 October 2023
  1. Hydrangea chinensis Maxim., Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7 10 (1867) 7; ≡ Hydrangea scandens ssp. chinensis (Maxim.) McClint., Proceedings of the California Academy of Sciences 29 (1957) 206; Type: from Taiwan. = Hydrangea lobbii Maxim., Mém. Acad. Sci. St. Pétersb. vii, 10 (1867) 15; Merr., EPFP 2 (1923) 219. = Hydrangea pubiramea Merr., PJS 12 c (1917) Bot. 267; EPFP 2 (1923) 219. = Hydrangea pubiramea var. parvifolia Merr., PJS 12c (1917) Bot. 267; EPFP 2 (1923) 219. Distribution: China, Philippines, Taiwan. BATANES, LUZON: Aurora, Benguet, Ilocos Sur, Laguna, Mountain Province, Nueva Vizcaya (photos), Quezon, MINDANAO: Bukidnon (photos), Cotabato (photos), Misamis Occidental, NEGROS (photos), PANAY (photos). Notes: Batanes and Luzon to Mindanao. Absent from Palawan. Mossy forests on most of the higher mountains, 1000-2400m. Also reported at c. 300m in Nueva Ecija. Native.
  2. Hydrangea febrifuga (Lour.) Y.De Smet & C.Granados, Taxon 64 (2015) 750; Malabrigo et al., Flora of Mt Mantalingahan Protected Landscape (2023) 134; ≡ Dichroa febrifuga Lour., Fl. Cochinch. 1 (1790) 301; Fern.-Vill., Novis. App. (1880) 77; S.Vidal, Phan. Cuming. Philip. (1885) 111. = Dichroa philippinensis Schltr. in Engl., Bot. Jahrb. 52 (1914) 122; Merr., EPFP 2 (1923) 219; Hwang, Act. Phytotax. Sin. (1987) 386; Type: Curran & Merritt 807 (syn); Elmer 9458 (syn), Luzon. Distribution: Bhutan, Cambodia, China, India, ?Indonesia, Laos, Myanmar, Nepal, Philippines, Taiwan, Thailand, Vietnam. CAMIGUIN, CATANDUANES, LEYTE, LUZON: Albay, Apayao, Batangas, Benguet, Camarines, Camarines Sur, Ifugao, Laguna, Quezon, Rizal, Sorsogon, Zambales, MINDANAO: Bukidnon, Davao del Sur, MINDORO, NEGROS, PALAWAN, PANAY. Native.
  3. Hydrangea integrifolia Hayata, J. Coll. Sci. Tokyo 22 (1906) 131. = Hydrangea glandulosa Elmer, LPB 2 (1908) 473; Merr., EPFP 2 (1923) 218. = Hydrangea subintegra Merr., PJS 3 c (1908) Bot. 408; EPFP 2 (1923) 219. Distribution: Philippines, Taiwan. BATAN, LEYTE, LUZON: Aurora, Benguet, Ifugao, Laguna, Mountain Province, Nueva Vizcaya, Rizal, MINDANAO: Bukidnon, Cotabato, Davao, Davao del Sur, NEGROS, SIBUYAN. Notes: Usually in the mossy forest, 900-2200m. Thickets or open forests. Native.
  4. Hydrangea ofeliae Sodusta & Lumawag, Phytotaxa 411 (2019) 123; ≡ Dichroa platyphylla Merr., PJS 11 c (1916) Bot. 13; EPFP 2 (1923) 219; Hwang, Act. Phytotax. Sin. (1987) 388; Type: BS 23416 Ramos (K, holo; L, NY, US, iso), Luzon: Sorsogon, Mt Lalao, in damp forests, 11-Aug-1915. = Dichroa thyrsoidea Elmer, LPB 10 (1939) 3807, in obs., pro syn. Distribution: Endemic to the Philippines. CATANDUANES, LEYTE, LUZON: Albay, Sorsogon, MINDORO. Notes: Damp forests at medium elevation. Note by P.B. Pelser (22-Jul-19): Hydrangea ofeliae (as Dichroa platyphylla) is considered a synonym of Hydrangea febrifuga in some online databases, but J.V. LaFrankie (pers. comm., 6-Jun-16) considers it taxonomically distinct. Native.

Cultivated, not naturalized

  1. Hydrangea macrophylla (Thunb.) Ser. in DC., Prodr. 4 (1830) 15; ≡ Viburnum macrophyllum Thunb., Syst. Veg. ed. 14 (1784) 295. = Hydrangea hortensia Siebold, Nov. Act. Nat. Cur. 142 (1829) 688. Distribution: Japan. Notes: Not native, unlikely to be naturalized (J.V. LaFrankie, 8-Jun-16); originally from Japan, cultivated elsewhere. Cultivated, not naturalized.

References