Monographs Details: Rhynchospora amazonica Poepp. & Kunth subsp. amazonica
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Cyperaceae
Description:Distribution and Ecology - Distribution. Rare in Amazonian basin. In lowland forest, often on the periodically flooded forest ground by stream. VENEZUELA. Bolívar: Río Paragua, Guaiquinima, 285 m alt, in dense forest east of river toward Cerro Guaiquinima, Killip 37476 (NY, US). COLOMBIA. Vaupés: Río Apaponis, Raudal de Jirijirimo, quartzite base, 900 ft alt, Schultes & Cabrera 15011 (NY). BRAZIL. Amazonas: in vicinibus Barra [= Manaus], Prov. Rio Negro, Spruce s n, Dec.-Mart. 1850-51 (K, NY), basin of Rio Purus, municipality of Lábrea, by Igarape Caietitú, 2 km S of Lábrea, Prance et al 8183 (NY); Pará: Oriximina, Lago do Iripixi, M. Silva 1144 (MG, NY); Rondônia: basin of Rio Madeira, Rio Pacaas Novos, Prance et al 6850 (NY). PERU. Loreto: Iquitos, in woods at ca 100 m alt, Killip & A. C. Smith 27001 (NY, US). BOLIVIA. Junction of rivers Beni and Madre de Dios, Rusby 84 (NY).

Discussion:

Fig 3K, L.

Ephippiorhynchium longirostre Nees var amazonicum (Poepp. & Kunth) Nees, FI. Brasil. 2(1): 136. 1842. Based on Rhynchospora amazonica Poepp. & Kunth.

Rhynchospora comiculata A. Gray subsp amazonica (Poepp. & Kunth) H. Pfeiffer in Fedde, Repert. Sp. Nov. 49: 76. 1940. Based on Rhynchospora amazonica Poepp. & Kunth. Dichromena amazonica (Poepp. & Kunth) Macbride, Publ. Field Mus. Bot. 11: 6. 1931. Based on Rhynchospora amazonica Poepp. & Kunth.

Distribution:Venezuela South America| Colombia South America| Brazil South America| Peru South America| Bolivia South America|