Oxalis divergens Eckl. & Zeyh.

Ionoxalis trineuris Small, sp. nov
Plants 0.5-2 dm. tall, the bulb-scales 3-ribbed ; leaves fully one half as tall as the scape or equaling it, the petioles glabrous; leaflets 4-8, the blades 1-3 cm. long, cuneate, usually broadly so, notched to above the middle, with the lobes ovate or oblong, deep-green above, paler beneath, glabrous, except sometimes for few marginal hairs near the apex ; scape glabrous; cymes 2-7-flowered ; pedicels 1-2 cm. long, glabrous ; sepals oblong to lanceolate, 3.5-5.5 mm. long, glabrous, each bearing 2 apical tubercles; petals violet, 12-16 mm. long; shorter filaments glabrous ; longer filaments pubescent above, each with an appendage on the back near the base.
Type collected on " hacienda de la Encarnacion," State of Mexico, Mexico, July 7, 1905, J. N. Rose, J. H. Painter & J. S. RoseS472.
Distribution : Middle Mexico.

Ionoxalis divergens (Benth.) Small
Oxalis divergens Benth. PI. Hartw. 9. 1839.
Plants 1-3 dm. tall, the bulb-scales 3-ribbed ; leaves commonly one half as tall as the scape, the petioles glabrous or nearly so ; leaflets 4, the blades 1.5-2.5 cm. long, obdeltoid in outline, broadly 2-lobed at the apex, glabrous or with few scattered hairs, deep-green above, paler beneath ; scapes glabrous ; cymes 5-9-flowered ; pedicels 1-2 cm. long, glabrous ; sepals lanceolate to linear-lanceolate, 4-4.5 mm. long, glabrous, each bearing 2 apical tubercles; petals white, 12-15 mm. long; filaments minutely pubescent, unappendaged ; styles sparingly pubescent ; capsules broadly oblong, 5-6.5 mm. long.
Type locality : Mexico.
Distribution : Southern Mexico and Guatemala.

Oxalis divergens là một loài thực vật có hoa trong họ Chua me đất. Loài này được Benth. ex Lindl. mô tả khoa học đầu tiên năm 1833.