Lysimachia ×producta

(A. Gray) Fernald

Rhodora 1: 134. 1899 (as species),.

Basionym: Lysimachia stricta var. producta A. Gray Manual ed. 2, 272. 1856
Synonyms: Lysimachia foliosa Small Lysimachia polyantha Fernald
Treatment appears in FNA Volume 8. Treatment on page 314. Mentioned on page 310, 315.

Stems erect, simple to branched distally, 4–10 dm, usually glabrous (rarely stipitate-glandular at nodes); rhizomes slender to thickened; bulblets absent. Leaves whorled or opposite; petiole absent or 0.1–3 cm, eciliate; blade elliptic to lanceolate or ovate, 4–8 × 1.5–2.5 cm, base cuneate, decurrent, margins entire, slightly revolute, eciliolate, apex acute to acuminate, surfaces punctate, glabrous; venation single-veined to obscurely pinnate. Inflorescences terminal, racemes (sometimes leafy), 20–35 cm. Pedicels 1.5–3 cm, glabrous or sparsely stipitate-glandular. Flowers: sepals 5, calyx streaked with black resin canals, 3–7 mm, stipitate-glandular, especially near margins, lobes lanceolate, margins thin; petals 5, corolla yellow, streaked with reddish or reddish-black resin canals, rotate, 5–8 mm, lobes with margins entire, apex rounded to obtuse, stipitate-glandular abaxially; filaments connate 1.7–3 mm, shorter than corolla; staminodes absent. Capsules 3–5 mm, dark-punctate, glabrous. 2n = 84.

Phenology: Flowering summer.
Habitat: Moist, open woods, swamp and pond margins, wet, sandy fields
Elevation: 0-1500 m


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Ont., Que., Conn., Del., D.C., Ill., Ind., Ky., Maine, Md., Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.


Lysimachia ×producta is a fertile hybrid between L. quadrifolia and L. terrestris, occurring as isolated populations or with one or both parents present.

Lower Taxa

... more about "Lysimachia ×producta"
Anita F. Cholewa +
(A. Gray) Fernald +
Lysimachia stricta var. producta +
Ont. +, Que. +, Conn. +, Del. +, D.C. +, Ill. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
0-1500 m +
Moist, open woods, swamp and pond margins, wet, sandy fields +
Flowering summer. +
cooperrider1974a +  and cooperrider1976a +
Lysimachia foliosa +  and Lysimachia polyantha +
Lysimachia ×producta +
Lysimachia +
species +