Copper sida Copper sida

Sida helleri Rose ex A. Heller, Contr. Herb. Franklin Marshall Coll. 1: 66. 1895; S. grayana Clement

Plants to 1 dm. Leaves: stipules subequal to petioles; petiole 2–6 mm; blade 0.5–1.5 cm, ± as wide as long, softly stellate-hairy. Flowers subsessile; calyx 5–7 mm, lobes stellate-hairy; petals subequal to calyx, claw hairy, glabrous otherwise; staminal column hairy, anthers 20; style pallid. Schizocarps included in calyces, 4.5 mm diam. 2n = 16.

Flowering year-round. Heavy saline soil in exposed sites; 0–200 m; Tex.; Mexico (Nuevo León, Tamaulipas).

In the flora area, Billieturnera helleri is found in scattered locations from Lampasas County south to Cameron County, but most frequently in the Rio Grande valley.