Euphorbia
supina is an annual, a native of North America,
ordinarily seen on roadsides or fields in various
districts. Stems grow to 10-20cm in length, creeping on
the ground and spreading. Leaves are of opposite
phyllotaxis, 0.7-1cm long, long oblong, and prominent
dark purple taches on the surfaces. Leaf pairs are
significantly uneven at the bases of the plants.
Cyathium inflorescences appear at leaf axils on the
upper parts. Bloom time: June-September. |