Abutilon theophrasti
butterprint, buttonweed, China jute, chingma, Indian hemp, Indian mallow, pie-marker, velvet-leaf, velvetleaf Indian-mallow
stipules lanceolate;
petiole subequal to blade;
blade concolorous, broadly ovate to suborbiculate, 8–15 cm, ± as long as wide, base cordate, margins crenulate, apex acuminate, surfaces softly pubescent.
usually solitary flowers, sometimes cymose or racemose.
calyx 10 mm, lobes not overlapping, erect in fruit, ovate;
corolla pale yellow throughout, petals 8–13 mm;
staminal column glabrous;
style 13–15-branched.
3 per mericarp, 3–4 mm, minutely puberulent.
broadly ovoid, 15 × 20 mm;
mericarps: apex spinose, spines divergent, 3–6 mm, hirsute.
= 84.
Abutilon theophrasti
The history of the introduction of Abutilon theophrasti to North America was recounted by N. R. Spencer (1984). It can be abundant locally, thriving when rich cultivated soils are disturbed, especially in the midwestern region. Interference with crops has been extensive.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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