life
cycle - winter annual, reproducing by seed
stems -
prostate with end ascending, light green, branched, single
row of hairs, rooting at nodes growth
habit 1, growth
habit 2
leaves -
opposite, broadly ovate to heart-shaped, tips pointed, lower
petioled, upper sessile, petioles with single row of hairs
leaves
flowers -
5-petaled white, deeply notched (appear to be 10-petaled),
sepals long; solitary or clustered, terminal and axillary flowers