Lysimachia quadriflora


Bot. Mag. 18: plate 660. 1803 ,.

Common names: Linear-leaf or four-flower loosestrife
Synonyms: Lysimachia longifolia Pursh Lysimachia revoluta Nuttall Nummularia longifolia (Pursh) Kuntze Steironema longifolium (Pursh) Rafinesque Steironema quadriflorum (Sims) Hitchcock
Treatment appears in FNA Volume 8. Treatment on page 315. Mentioned on page 308, 309.

Stems erect, simple or branched, (1.2–)2–10 dm, glabrous; rhizomes slender; bulblets absent. Leaves opposite; petiole 0.1–0.5(–0.9) cm, ciliate at very base near nodes, cilia 0.1–0.8 mm; blade linear to narrowly lanceolate, 3.4–9 × 0.2–0.6 cm, base cuneate, decurrent, margins entire, revolute, eciliolate, apex acute to obtuse, surfaces not punctate, glabrous; venation single-veined or obscurely pinnate. Inflorescences axillary in distal leaves, solitary flowers (or verticils). Pedicels 0.5–2.8 cm, glabrous. Flowers: sepals 5, calyx not streaked, 3.5–6 mm, glabrous, lobes lanceolate, margins thickened; petals 5, corolla yellow, sparsely streaked with brownish-violet (sometimes obscure) resin canals, rotate, 7–13 mm, lobes with margins entire (sometimes slightly erose distally), glabrous, apex apiculate, stipitate-glandular adaxially; filaments weakly connate at very base, shorter than corolla; staminodes 0.6–0.9 mm. Capsules 3.5–5 mm, not punctate, glabrous (rarely sparsely stipitate-glandular). 2n = 34.

Phenology: Flowering summer.
Habitat: Moist prairies, meadows, roadsides, springs, swamps, bogs, other wetlands
Elevation: 0-600 m


V8 630-distribution-map.gif

Man., Ont., Ala., Ark., D.C., Ga., Ill., Ind., Iowa, Ky., Md., Mich., Minn., Mo., N.Y., N.Dak., Ohio, Okla., Pa., S.Dak., Tenn., Va., W.Va., Wis.


Lysimachia quadriflora has been reported as an adventive from Massachusetts (B. A. Sorrie and P. Somers 1999).

Selected References


Lower Taxa

... more about "Lysimachia quadriflora"
Anita F. Cholewa +
Linear-leaf or four-flower loosestrife +
Man. +, Ont. +, Ala. +, Ark. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Ky. +, Md. +, Mich. +, Minn. +, Mo. +, N.Y. +, N.Dak. +, Ohio +, Okla. +, Pa. +, S.Dak. +, Tenn. +, Va. +, W.Va. +  and Wis. +
0-600 m +
Moist prairies, meadows, roadsides, springs, swamps, bogs, other wetlands +
Flowering summer. +
Illustrated +  and Endemic +
Lysimachia longifolia +, Lysimachia revoluta +, Nummularia longifolia +, Steironema longifolium +  and Steironema quadriflorum +
Lysimachia quadriflora +
Lysimachia +
species +