genusReseda

Reseda alba

Linnaeus

Sp. Pl. 1: 449. 1753

Common names: White mignonette mignonette-blanche réséda blanc
Treatment appears in FNA Volume 7. Treatment on page 192. Mentioned on page 191.
Plants annual or biennial (perennial), 30–90 cm, glabrous. Stems erect, usually branched. Leaves (cauline shorter distally); blade ovate to ovate-oblong, pinnatisect (lobes 4–15 pairs, lanceolate-oblong), 3–15 × 3–5 cm, (base attenuate), margins entire or repand to raggedly toothed, surfaces glabrous. Racemes (dense) 20–40 cm; bracts persistent, lanceolate-linear, 3–3.5 mm. Pedicels 2–8 mm. Flowers: sepals persistent, 5(–6), not reflexed in fruit, lanceolate-linear, 2–2.5 mm; petals 5(–6), white, (3.5–)4–6 mm, subrounded-clawed, adaxial ones 3-lobed; stamens 10–14; filaments persistent, 2–3.5 mm, glabrous; intrastaminal nectary-discs papillose; anthers 1–2 mm; placenta entire. Capsules erect, 4-carpelled, cylindric to ovoid-oblong, 8–14 × 4–6 mm, apically 4-toothed, glabrous or ribs papillose. Seeds 1–1.3 mm, dull, finely papillose. 2n = 40.

Phenology: Flowering May–Aug(-Nov).
Habitat: Muddy shores, dunes, waste places, railroad ballasts, roadsides, basic soils
Elevation: 0-800 m

Distribution

V7 246-distribution-map.gif

B.C., Man., Ont., Que., Sask., Ark., Calif., Conn., Del., Ill., Kans., Maine, Mass., Mich., N.H., N.J., N.Y., Ohio, Oreg., Pa., Vt., Wash., s Europe, sw Asia, n Africa, introduced also in South America, s Africa, Australia.

Discussion

Selected References

None.

Lower Taxa

None.

Facts about "Reseda alba"
AuthorSantiago Martín-Bravo +, Gordon C. Tucker + and Thomas F. Daniel +
AuthorityLinnaeus +
Common nameWhite mignonette +, mignonette-blanche + and réséda blanc +
DistributionB.C. +, Man. +, Ont. +, Que. +, Sask. +, Ark. +, Calif. +, Conn. +, Del. +, Ill. +, Kans. +, Maine +, Mass. +, Mich. +, N.H. +, N.J. +, N.Y. +, Ohio +, Oreg. +, Pa. +, Vt. +, Wash. +, s Europe +, sw Asia +, n Africa +, introduced also in South America +, s Africa + and Australia. +
Elevation0-800 m +
HabitatMuddy shores, dunes, waste places, railroad ballasts, roadsides, basic soils +
IllustrationPresent +
Illustration copyrightFlora of North America Association +
IllustratorBarbara Alongi +
Introducedtrue +
PhenologyFlowering May–Aug(-Nov). +
Publication titleSp. Pl. +
Publication year1753 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V7/V7 246.xml +
Taxon familyResedaceae +
Taxon nameReseda alba +
Taxon parentReseda +
Taxon rankspecies +
VolumeVolume 7 +