Boerhaavia alamosana

Boerhaavia alamosana Rose, Contr. U. S. Nat. Herb. 1: 110
1891.
i
Erect annual, 3-5 dm. high, much branched, the branches slender, ascending, puberulent and sparsely hirtellous; petioles slender 3-8 mm. long; leaf-blades lanceolate or linear-lanceolate, 1.2-3.3 cm. long, 3-5 mm. wide, rounded at the base, acute to long-attenuate at the apex, entire or subsinuate, green above, pale beneath, brown-punctate, puberulent; inflorescence cymose-paniculate, much branched, the branches slender, ascending, glabrous, the flowers on pedicels 1-2 mm. long, in short, slender, remotely flowered racemes; bracts lanceolate, thin, ciliolate, brown-punctate, shorter than the flowers, deciduous; perianth 3 mm. long, white, glabrous or puberulent; stamens 4, exserted; fruit obovoid, 2.5 mm. long, rounded at the apex, acute at the base, glabrous, 5-angulate, the angles broad, rounded, smooth, the sulci narrowly linear, nearly closed, smooth.
Type locality: Hillsides about Alamos, Sonora. Distribution: Known only from the type locality.

Boerhaavia alamosana Rose, Contr. U. S. Nat. Herb. 1: 110
1891.
t
Erect annual, 3-5 dm. high, much branched, the branches slender, ascending, puberulent
and sparsely hirtellous; petioles slender 3-8 mm. long; leaf -blades lanceolate or linear-lanceolate, 1.2-3.3 cm. long, 3-5 mm. wide, rounded at the base, acute to long-attenuate at the
apex, entire or subsinuate, green above, pale beneath, brown-punctate, puberulent; inflorescence cymose-paniculate, much branched, the branches slender, ascending, glabrous, the
flowers on pedicels 1—2 mm. long, in short, slender, remotely flowered racemes; bracts lanceolate, thin, ciiiolate, brown-punctate, shorter than the flowers, deciduous; perianth 3 mm. long, white, glabrous or puberulent; stamens 4, exserted; fruit obovoid, 2.5 mm. long, rounded at the apex, acute at the base, glabrous, 5-angulate, the angles broad, rounded, smooth, the sulci narrowly linear, nearly closed, smooth.
Type locality: Hillsides about Alamos, Sonora. Distribution: Known only from the type locality.