Rheochloa (Poaceae: Chloridoideae), a new genus from central Brazil

Tarciso S. Filgueiras, Paul M. Peterson, Yolanda Herrera-Arrieta

Research output: Contribution to journalArticle

Abstract

Rheochloa scabiflora Filg., P.M. Peterson and Y. Herrera, gen. et sp. nov., is described and illustrated. The new species occurs in humid grasslands of Municipio de Mineiros, Goias, Parque Nacional das Emas in central Brazil. It seems most closely allied with Dinebra but differs by its perennial habit, inflorescences composed of 3-5 subdigitate racemes, short pedicellate spikelets, glabrous lemmas that are ciliolate on the apex, and fusiform caryopses with persistent style bases. Rheochloa is tentatively placed in subtribe Eragrostidinae of tribe Eragrostideae. So far, R. scabriflora is known only from a single population located inside Parque Nadonal das Emas (18°17'55''S-52°4Y79''W).
Original languageAmerican English
Pages (from-to)123-127
Number of pages110
JournalSystematic Botany
DOIs
StatePublished - 1 Jan 1999

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Inflorescence
Poaceae
Habits
new genus
Brazil
inflorescences
grassland
new species
Population
grasslands
fruits
Grassland

Cite this

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abstract = "Rheochloa scabiflora Filg., P.M. Peterson and Y. Herrera, gen. et sp. nov., is described and illustrated. The new species occurs in humid grasslands of Municipio de Mineiros, Goias, Parque Nacional das Emas in central Brazil. It seems most closely allied with Dinebra but differs by its perennial habit, inflorescences composed of 3-5 subdigitate racemes, short pedicellate spikelets, glabrous lemmas that are ciliolate on the apex, and fusiform caryopses with persistent style bases. Rheochloa is tentatively placed in subtribe Eragrostidinae of tribe Eragrostideae. So far, R. scabriflora is known only from a single population located inside Parque Nadonal das Emas (18°17'55''S-52°4Y79''W).",
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Rheochloa (Poaceae: Chloridoideae), a new genus from central Brazil. / Filgueiras, Tarciso S.; Peterson, Paul M.; Herrera-Arrieta, Yolanda.

In: Systematic Botany, 01.01.1999, p. 123-127.

Research output: Contribution to journalArticle

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