Eilers and Roosa (1994)
reported 9 genera in Iowa
Family charactistics—references: 1, 2, 3, 4, 5.
In general; stems and leaves are hairy, flower parts in fives (5 separate sepals, 5 united petals with 5 stamen attached to corolla), 4 nutlets.
Species you are most
likely to encounter in Iowa:
Buglossoides arvensis (corn gromwell)
[syn. Lithospermum arvense]
Hackelia deflexa (stickseed)
Hackelia virginiana (stickseed)
[syn. Lappula virginiana]
Lithospermum canescens (hoary puccoon)
Lithospermum caroliniense (hairy puccoon)
Lithospermum incisum (fringed puccoon)
Lithospermum latifolium (American gromwell)
Mertensia paniculata (Northern lungwort)
Mertensia virginica (bluebell)
Myosotis verna (forget-me-not)
Onosmodium molle (false gromwell)