Swartzia argentea Spruce ex Benth. var. argentea

  • Authority

    Cowan, Richard S. 1967. Swartzia (Leguminosae, Caesalpinioideae Swartzieae). Fl. Neotrop. Monogr. 1: 3-228. (Published by NYBG Press)

  • Family

    Fabaceae

  • Scientific Name

    Swartzia argentea Spruce ex Benth. var. argentea

  • Type

    Type collection. R. Spruce 1452 (lectotype K; isolectotypes BM, CGE, Fl, G, M, NY, W), Manáos, Amazonas, Brazil, Apr. 1851. Bentham cited this collection and another Spruce collection (No. 1888) in the original publication; the collection chosen as the lectotype is more typical of the species morphologically.

  • Synonyms

    Swartzia argentea Spruce ex Benth., Tounatea argentea (Spruce ex Benth.) Taub., Tunatea argentea (Spruce ex Benth.) Kuntze

  • Description

    Description - Tree 3-15 m tall with densely velutinous branchlets; stipules velutinous externally; petioles 4.5-9 cm long, velutinous; rachis 12.5-27 cm long, velutinous; leaflets (3-)4- or 5-jugate; inflorescence axis velutinous; petal claw 3 mm long, the blade oblate to broadly ovate, 15-17.5 mm long, 17.5-20 mm wide, villose-sericeous externally, glabrous within; larger stamens 4, the filaments strongly villose, the anthers 3-4 mm long, 0.7-1 mm wide, narrowly oblong; gynoecium velutinous, the ovary rounded-triangular in cross-section, 4.5-6 mm long, 2-2.5 mm wide; fruit velutinous, smooth or slightly ridged obliquely.

  • Distribution

    (Fig. 9). Rio Negro drainage in Brazil from Manáos north to southwestern Venezuela and west to the Río Uaupés in seasonally, or more or less permanently, inundated forest along the rivers and streams.

    Venezuela South America| Amazonas Venezuela South America| Brazil South America| Amazonas Brazil South America|