Homonoia (plant)

Homonoia
Homonoia riparia [1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Euphorbiaceae
Subtribe:	Lasiococcinae
Genus:	Homonoia Lour.
Type species
Homonoia riparia Lour.
Synonyms [2]
Haematospermum Wall. Lumanaja Blanco

Homonoia is a plant genus of the family Euphorbiaceae first described in 1790. ^{[3] [4] [5] [6]} These are rheophytes and usually found in groups at riverbanks in India, southern China, Southeast Asia, and New Guinea. ^{[7] [8] [9] [10]}

Species ^[2]

1. Homonoia intermedia Haines - India
2. Homonoia retusa (Graham ex Wight) Müll.Arg. - India, Vietnam
3. Homonoia riparia Lour. - Guangxi, Guizhou, Hainan, Sichuan, Taiwan, Yunnan, Cambodia, India, Assam, Bhutan, Sri Lanka, Borneo, Java, Lesser Sunda Islands, Sulawesi, Sumatra, Maluku, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam, New Guinea, Andaman & Nicobar Islands

formerly included

moved to other genera (Lasiococca Spathiostemon)

1. Homonoia comberi - Lasiococca comberi
2. Homonoia javensis - Spathiostemon javensis
3. Homonoia pseudoverticillata - Lasiococca comberi
4. Homonoia symphyllifolia - Lasiococca symphyllifolia

References

1. 1880 illustration from Francisco Manuel Blanco (O.S.A.) - Flora de Filipinas
2. Kew World Checklist of Selected Plant Families
3. "Homonoia Lour". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved July 2, 2025.
4. "Homonoia Lour". Catalogue of Life. Species 2000. n.d. Retrieved July 2, 2025.
5. Loureiro, João de. 1790. Flora Cochinchinensis 601, 636 in Latin
6. Tropicos, genus Homonoia ^{[ permanent dead link ]}
7. Flora of China Vol. 11 Page 167, 247 水柳属 shui liu shu Homonoia Loureiro, Fl. Cochinch. 2: 636. 1790.
8. Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.
9. Balakrishnan, N.P. & Chakrabarty, T. (2007). The family Euphorbiaceae in India. A synopsis of its profile, taxonomy and bibliography: 1-500. Bishen Singh Mahendra Pal Singh, Dehra Dun.
10. van Welzen, P.C. & Chayamarit, K. (2007). Flora of Thailand 8(2): 305-592. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok.