Fumaria capreolata
Fumaria officinalis
white ramping fumitory
common fumatory, common fumitory, drug fumitory, fumeterre officinal, fumitory
, excluding peduncle, 2-3.5 cm;
bracteoles equaling or shorter than pedicels.
, excluding peduncle, 3-7 cm;
bracteoles 1/2 to nearly as long as pedicels.
pedicel rigidly arcuate-recurved in fruit, ca. 3 mm;
corolla 9-14 mm, spur 2-3 mm;
outer petals white;
inner petals white near base, deep red or dark purple apically.
pedicel straight and ascending in fruit, ca. 3 mm;
corolla 6-9.5 mm, spur ca. 2.5 mm;
petals purplish pink or white near base, deep reddish purple to maroon apically.
globose, slightly compressed, 2-2.5 mm diam., smooth or nearly so.
subglobose, sometimes slightly depressed, 1.5-2 mm diam., ± warty or pebbled.
= 64.
= 32, 48.
Fumaria capreolata
Fumaria officinalis
Some plants in North America have conspicuously warty capsules with persistent styles. Similar plants in Europe were treated by M. Lidén (1986) as Fumaria officinalis subsp. wirtgenii (Koch) P. D. Sell. In all other characters, those plants are not significantly different from other members of the species, and they are not distinguished formally in this treatment.
Weaker, somewhat scandent plants with smaller, perhaps cleistogamous, white flowers and smaller fruits seem to be correlated with shaded situations. They are otherwise indistinguishable from other members of the species.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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