Nemesia leipoldtii Hiern

An annual herb, erect, nearly glabrous, minutely glandular, shining, simple or sparingly branched, somewhat rigid, 6-12 in. high or rather more; stem and branches tetragonous, the latter opposite and erect-patent; internodes mostly exceeding the leaves; leaves opposite, ovate or the upper somewhat lanceolate, obtuse at the apex, subtruncate, rounded or obtusely narrowed at the base, irregularly dentate, membranous, 1/2-1 1/2 in. long, 1/5-4/5 in. broad, subsessile and narrowly decurrent or shortly petiolate; petioles rather broad, narrowly decurrent; flowers rather numerous, racemose, about 1/3-1/2 in. long and 3/8-5/8 in. broad; racemes terminal, several-or many-flowered, moderately lax, 1-5 in. long; pedicels alternate, spreading, curving upwards near the apex, 1/4-3/4 in. long, bracteate at the base; bract ovate, dentate, broad at the base and embracing the base of the pedicel, sessile, 1/12-1/4 in. long; calyx-segments 5, oval, rounded or very obtuse at the apex, nearly equal, more or less overlapping each other, minutely and closely ciliolate, 1/12-1/8 in. long, persistent; corolla very tender, apparently lilac on the lips, yellow on the shallow broad pocket and on the convex glandular-papillose palate, otherwise glabrous; lip widely diverging, 1/4-1/3 in. long; stamens glabrous or nearly so, short; anthers cohering by pairs, one pair larger than the other; filaments filiform; capsules ovate-quadrate, compressed, subtruncate at the apex, nearly glabrous, sparingly glandular, 3/16-5/16 in. long, 1/6-1/4 in. broad; valves nearly equal or somewhat unequal, scarcely or slightly apiculate at the outer side of the apex, rounded on the outer side of the base; seeds, including the scariously winged border, 1/11 in. long, oval-oblong.