Lysimachia tonsa

(Alph. Wood) Alph. Wood ex R. Knuth in H. G. A. Engler

in H. G. A. Engler, Pflanzenr. 22[IV,237]: 277. 1905 ,.

Common names: Appalachian or southern loosestrife
Endemic
Basionym: Lysimachia ciliata var. tonsa Alph. Wood Class-book Bot. ed. s.n.(b), 505. 1861
Synonyms: Lysimachia tonsa var. simplex (Kearney) R. Knuth Steironema intermedium (Alph. Wood) E. P. Bicknell Steironema tonsum
Treatment appears in FNA Volume 8. Treatment on page 318. Mentioned on page 308, 309.

Stems erect, simple or branched distally, 3–7 dm, stipitate-glandular or pubescent; rhizomes slender to thickened (sometimes absent); bulblets absent. Leaves opposite; petiole 0.5–4.5 cm, ciliate proximally near node, cilia 0.2–0.7 (–1.2) mm; blade lanceolate to ovate, 3–9 × (0.8–) 1–4.5 cm, base truncate, rounded, or cuneate, decurrent, margins entire or slightly sinuate, plane, sometimes obscurely ciliolate (rarely stipitate-glandular), apex acute to acuminate, surfaces not punctate, glabrous; venation pinnate-arcuate. Inflorescences axillary in distal leaves, solitary flowers or verticils. Pedicels 0.8–4 cm, stipitate-glandular at least distally. Flowers: sepals 5, calyx not streaked, 2.5–7.5 mm, glandular proximally or glabrous, lobes ovate to lanceolate, margins somewhat thickened; petals 5, corolla yellow, often with reddish base, not streaked, rotate, 6–12 mm, lobes with margins usually entire or sometimes erose distally, apex apiculate, stipitate-glandular adaxially; filaments distinct or nearly so, shorter than corolla; staminodes 0.6–1 mm. Capsules 3.5–5.8 mm, not punctate, glabrous. 2n = 34, 102.


Phenology: Flowering late summer.
Habitat: Moist hardwood forests, pine-oak woods, sandstone bluffs, rocky areas
Elevation: 0-600 m

Distribution

V8 635-distribution-map.gif

Ala., Ark., Ga., Ky., N.C., S.C., Tenn., Tex., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property.

... more about "Lysimachia tonsa"
stipitate-glandular +
Acute (?) +  and Acuminate (?) +
Anita F. Cholewa +
(Alph. Wood) Alph. Wood ex R. Knuth in H. G. A. Engler +
decurrent +, cuneate +, rounded +  and truncate +
Lysimachia ciliata var. tonsa +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
sculpted +  and entire +
lanceolate;ovate +
1cm;4.5cm +
indistinguishable +
not streaked +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.58 cm5.8 mm <br />0.0058 m <br />) +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
Appalachian or southern loosestrife +
not streaked;yellow +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Ala. +, Ark. +, Ga. +, Ky. +, N.C. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
0-600 m +
curved +  and straight +
nearly +  and distinct +
globose +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Moist hardwood forests, pine-oak woods, sandstone bluffs, rocky areas +
nectariferous +
monomorphic +
ovate;lanceolate +
plane +, sinuate +  and entire +
tenuinucellate +  and bitegmic +
anatropous;campylotropous +
stipitate-glandular +
0.8 cm8 mm <br />0.008 m <br /> (4 cm40 mm <br />0.04 m <br />) +
connate;proximally nearly distinct +
0.5 cm5 mm <br />0.005 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Flowering late summer. +
3-5-carpellate +
in H. G. A. Engler, Pflanzenr. +
slender +  and thickened +
winged +  and margined +
Reddish-brown (?) +, Brown (?) +, Black (?) +  and Shiny (?) +
smooth;roughened +
ovoid +  and obconic or trigonous or more or less hemispheric +
whitish +  and pinkish +
epipetalous +  and antipetalous +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
branched +  and simple +
usually capitate;truncate +
rudimentary +
pinnate-arcuate +
Lysimachia tonsa var. simplex +, Steironema intermedium +  and Steironema tonsum +
Lysimachia tonsa +
Lysimachia +
species +
annual +  and perennial +
stipitate-glandular +  and glabrous +