Paspalum usteri Hack.

Camargo Keller, Victor, Lopes Pereira-Silva, Erico Fernando & Hardt, Elisa, 2021, High richness, new occurrences, and threatened species in a savanna grassland remnant in the largest Brazilian metropolis, Check List 17 (2), pp. 507-549: 539

publication ID

http://doi.org/ 10.15560/17.2.507

persistent identifier

http://treatment.plazi.org/id/03948D7C-FFCD-F51C-0F6B-DF7FFB4CF8E1

treatment provided by

Marcus

scientific name

Paspalum usteri Hack.
status

 

Paspalum usteri Hack.  

Identification. Perennial rhizomatous grass, ca. 1.6 m height. Leaf-blades lanceolate, plain, apex acute, 32.0– 42.5 cm long, 1.5 cm wide, ligulate. Characterized by its pyramidal inflorescence with 25–35 alternate branches, 0.7–9.2 cm long, brownish, with scattered trichomes and paired spikelets.

Remarks. Rare species, occurring on waterlogged sites. Considered Presumably Extinct in São Paulo state.

Brazilian range. Midwest (MS state) and Southeast (except ES and RJ states) regions.

Material examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery ; 23°20′17″S, 046°41′40″W; 5 Sep. 2016; collection number vck4; HUFABC1889 GoogleMaps   .

Schizachyrium condensatum (Kunth) Nees Identification. Perennial   tussock grass, 0.35–1.1 cm height. Leaf-blades linear, glabrous, 3–25 cm long, 0.2– 0.8 cm wide, ligulate. It is identified by its erect contracted inflorescence, 5–45 cm long, with lots of ramifications, and its sessile spikelets, awns with 8–16 mm long.

Remarks. Occurring scarcely on the native grassland but common on roadsides and colonizing disturbed sites. Brazilian range. Midwest, Northeast (BA state), South and Southeast (except ES and RJ states) regions.

Materials examined. BRAZIL – São Paulo • Franco da Rocha, Parque Estadual do Juquery ; 23°20′30″S, 046°40′36″W; 5 Mar. 2018; collection number vck216; HUFABC2058 GoogleMaps   same collection data as for preceding; collection number vck217; HUFABC2059 GoogleMaps   .

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Poales

Family

Poaceae

Genus

Paspalum