Alchornea rugosa (Lour.) Müller Argoviensis (1865: 170)

Simão, Inês F., Silveira, Paulo C., Wajer, Jacek, Schuiteman, André & Welzen, Peter Van, 2024, Checklist of the Timorese Euphorbiaceae and related families, Phytotaxa 661 (2), pp. 123-149 : 127-128

Alchornea rugosa (Lour.) Müller Argoviensis (1865: 170) ; von Malm (1934: 278)

Alchornea javensis (Blume) Müller Argoviensis (1865: 170) ; Fawcett (1885: 517).

Ecology: usually frequent in understory in shade or semi-shade of primary ( Dipterocarpus ) rain forest, evergreen forest, deciduous forest, gallery forest, secondary forest to deforested and very degraded seasonal forest with bamboo, scrub, and even in alang-alang (grass fields), very often in wet places like marshes or along water courses; also in cultivated places, often on or near limestone, partly even on guano near caves, clay loam, deep clay, ultramafic; bedrock: shale, quartzite, sandstone or granite, from sea level up to 1200(-2800) m elevation ( van Welzen et al. 2007 ).

Distribution: India (Assam, Nicobar Islands), Sri Lanka, China, Myanmar, Thailand, Vietnam, Peninsular Malaysia, Sumatra, Java, Borneo, Philippines, Sulawesi, Lesser Sunda Islands, Moluccas, New Guinea, Australia ( van Welzen et al. 2007 ).

Specimens examined: Indonesia (Timor Barat): South Central Timor , [Supul, 9°50’40” S, 124°26’49” E], 19 January 1969, Kooy, C. W. 607 ( L [ L.2185697]) ; Timor — Zippelius, A. s.n. ( L [ L.2185698]) ; Spanoghe , J. B. s.n. ( L [ L.2185699]) ; Unknown s.n. ( L [ L.2185700]) ; Teijsmann , J. E. HB 10762 ( L [ L.2185696]) ; Timor Leste: Lautém, Los Palos, Ira Malaru area , [8°24’00” S, 127°04’58” E], 6 October 2005, Cowie, I.D. & Xavier A. F. 10891 ( L [ L.2185693]) ; Los Palos, footslopes of Mt. Paitxau range, [8°28’26” S, 127°08’49” E], 27 October 2006, Pinto, P. s.n. ( L [ L.3799417]) .

Red List Assessment: Least Concern.