Flora of North America species comparison

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Fumaria

fumeterre, fumitory, ramping-fumitory
Habit Herbs, annual, caulescent, from taproots.
Stems

erect to reclining, branching.
Leaves

cauline, sometimes also basal, compound;

blade with 3-4 orders of leaflets and lobes, margins entire, surfaces glabrous.
Inflorescences

terminal on main stem and leaf-opposed branches, racemose.
Flowers

bilaterally symmetric about 1 plane;

sepals peltate with attachment near base, ovate, base rounded, margins ± lacerate, apex acute to acuminate;

outer petals inconspicuously crested, one basally spurred;

stamens with filaments of each bundle completely connate, adhering basally to petals;

ovary ovoid;

style promptly deciduous after anthesis, elongate;

stigma ± 2-lobed.
Capsules

indehiscent.
Seed

1, elaiosome absent.

Fumaria
Distribution
from USDA
Eurasia; Africa; and Atlantic islands; with greatest diversity in w Mediterranean region
[BONAP county map]
Discussion

Species ca. 50 (3 in the flora).

Fumaria parviflora Lamarck was reported as adventive from Europe in central Texas by D. S. Correll and M. C. Johnston (1970) and in central and southern coastal California by J. C. Hickman (1993). In the former treatment F. parviflora is said to differ from F. officinalis by having leaf segments with channeled lobes, and capsules obtuse to apiculate or beaked, while in the latter treatment it is reported to differ from that species by having shorter (3-4 mm), cream-colored petals, the inner ones tipped purple, and ± crested capsules. Evidently, the species is found in North America only as a waif and is not naturalized here. Fumaria martinii Clavaud, a synonym of F. reuteri Boissier according to M. Lidén (1986), was reported from southwestern British Columbia by B. Boivin (1966), but I have not seen specimens. Fumaria bastardii Boreau also has been reported from British Columbia, as an infrequent garden escape on roadsides, in waste places, and at forest edges in the southern part of the province (G. W. Douglas et al. 1989). It differs from F. officinalis in that the corolla is dark pink and 10-12 mm long.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Pedicels rigidly arcuate-recurved in fruit; capsules smooth or nearly so; corolla 9–14 mm.
F. capreolata
1. Pedicels straight and spreading to ascending in fruit; capsules slightly wrinkled, warty, pebbled, or shallowly pitted; corolla 5–9.5 mm.
→ 2
2. Corolla 6–9.5 mm, spur ca. 2.5 mm.
F. officinalis
2. Corolla 5–6 mm, spur 1–1.5 mm.
F. vaillantii
Source FNA vol. 3. Author: David E. Boufford.
Parent taxa Fumariaceae
Subordinate taxa
F. capreolata, F. officinalis, F. vaillantii
Name authority Linnaeus: Sp. Pl. 2: 699. 175: Gen. Pl. ed. 5, 314. (1754)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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