Sida physaloides C. Presl, Reliq. Haenk. 2: 105. 1835; S. standleyi Clement

Stems with simple hairs 1–1.5 mm and smaller, stellate hairs. Leaves: stipules 4–5 mm; petiole 1/4–1/2 as long as blade; blade discolorous, 2.5–4.5 cm, apex obtuse or subacute. Pedicels slender, 0.5–1.5 cm. Flowers: calyx 7–8(–12) mm; petals subequal to calyx; staminal column glabrous, anthers 10. Schizocarps blackish; mericarps blackish, 2.5–3 mm, relatively fragile and unornamented. 2n = 16.

Flowering spring–summer. Oak woodlands, grassy sites; 100 m; introduced; Tex.; Mexico (Nuevo León, San Luis Potosí, Tamaulipas).

Krapovickasia physaloides is known in the flora area from Karnes and San Saba counties, where it is currently thought to have been introduced.