United States, Michigan, Washtenaw, Ann Arbor, Laura Robert's garden, 1509 Kearney, N. of Washtenaw & Manchester Sts.,
T2S R6E sec. 34 SW 1/4
rich clay loam soil.
4-ft. plant, planted Spring, 1973; root 5 in. dia. At top, 12 in. long, branching at base; stem multiple, ribbed, crisp, hollow. Also see earlier specimens. Fruits.