Xanthium leptocarpum

Xanthium leptocarpum Milisp. & Sherff, Field Mus. Publ. Bot
4: 3. 1918.
Stems rough above, 3-5 dm. high; leaves 7-19 cm. long, the petioles and blades subequal;
blades more or less deltoid or 3-lobed, dentate, cordate or subtruncate at the base, scabrous;
body of the fruit narrowly cylindric-fusiform, chestnut-brown, gradually narrowed above,
glandular-pubescent as are the bases of the prickles and beaks, 1.3-1.6 cm. long and 3.5-5 mm.
thick; prickles 18-40, remote, hooked at the apex, 2-3 or rarely up to 4 mm. long; beaks
remote, arcuate, hooke at dthe apex, thicker and slightly longer.
Type locality: Burlington, Vermont.
Distribution: Vermont.