Spreading Moonpod

Selinocarpus diffusus A. Gray, Am. Jour. Sci. II. 15: 262. 1853
Selinocarpus diffusus nevadensis Standley, Contr. U. S. Nat. Herb. 12: 388. 1909.
Plants erect or decumbent, from a stout woody root, 1-3 dm. high, much branched from the base and also above, the branches rather slender, covered with short appressed inflated white hairs and very sparsely glandular-puberulent or hirtellous, very leafy; petioles slender or stout, 0.3-2.5 cm. long, often exceeding the blades; leaf-blades oval, oval-ovate, ovateoblong, or rarely rhombic-orbicular, 1.2-2.5 cm. long, 0.6-1.5 cm. wide, rounded to obtuse at the base, slightly unequal and short-decurrent, broadly rounded to acute at the apex, thick and fleshy, flat or crispate, when young densely covered with short appressed inflated white
hairs, glandular-puberulent and scabrous, sometimes glabrate in age; flowers often all cleistogamous, short-pedicellate, the bracts linear-subulate, 3-6 mm. long; perianth 3.5-4.5 cm. long, densely glandular-hirtellous outside, the tube very slender, the limb 1.5 cm. broad, pale greenish-yellow; stamens 5, slightly exserted; fruit 6-7 mm. long, the 5 wings 2-3 mm. long, glabrate, the body subtruncate at both ends, puberulent; seed narrowly elliptic, 4.5 mm. long, lightbrown .
Type locality: Rocky hills and valleys from the Pecos to the Limpio, Texas. Distribution: In dry soil, western Texas to southern Utah and Nevada.