Gentes Herbarum 11: 340. 1978.
Plants 1–2 m; herbage sparsely to densely, sometimes velvety tawny, stellate-hairy, glandular. Leaf blades ovate to subspheric, unlobed or acutely 3-lobed, 5–10(–30) cm, base closed-cordate. Inflorescences terminal, usually open panicles or cymes, individual units 2+-flowered, sometimes solitary flowers. Flowers: calyx campanulate, smooth or ribbed, (7–)8–13.5 mm, subequal or slightly exceeding fruits, lobes ovate to triangular, (3–)4–6.5 × (3–)4–5.5 mm; corolla orange-yellow, (12–)15–25 mm; staminal column 10 mm, including filaments. Mericarps moderately dorsolaterally constricted, 7–9 mm including dorso-apical apiculus or spine to 1.5(–2) mm, stellate- and glandular-hairy, endoglossum absent. Seeds reddish brown to blackish, 2.3–3 mm. 2n = 16.
Phenology: Flowering May–Nov.
Habitat: Open habitats, roadsides
Elevation: 100–1600 m
N.Mex., Tex., Mexico (Coahuila, Nuevo León, San Luis Potosí, Tamaulipas).
In the flora area, Allowissadula holosericea ranges from the Edwards Plateau to the trans-Pecos mountains and westward; in Mexico, it occurs north of the Sierra Madre Oriental and Sierra de Tamaulipas.
The name Abutilon velutinum A. Gray 1849 (not G. Don 1831), which pertains here, is illegitimate.