Lobed-leaf stingbush Lobed-leaf stingbush

Microsperma lobatum Hooker, Icon. Pl. 3: plate 234. 1839 (as lobata); M. grandiflorum Groenland

Subshrubs, moundlike to spindle-shaped (wider than tall), branches decumbent. Leaves: blade lobed. Pedicels (fruiting) to 10 cm, recurved. Flowers radially symmetric or slightly bilaterally symmetric through orientation of style; corolla rotate, petals connate 3 mm, 1-colored, yellow, spatulate, to 40 mm; stamens 50–120, inserted at base of corolla, exserted, spreading away from style; filaments 7–16 mm, longer than anthers. 2n = 42.

Flowering Mar–Dec. Steep rocky hills of gypsum; 50 m; Tex.; ne, c Mexico.

Eucnide lobata is known in the flora area from Starr County.