Lysimachia loomisii

Torrey in H. B. Croom

in H. B. Croom, Catal. Pl. New Bern 1837, 46. 1837 (as Lisymachia) ,.

Common names: Loomis’s loosestrife
Endemic
Synonyms: Lysimachia stricta var. angustifolia Chapman Lysimachia terrestris var. angustifolia (Chapman) Handel-Mazzetti
Treatment appears in FNA Volume 8. Treatment on page 313. Mentioned on page 310, 314, 316.

Stems erect, much-branched, 3–7 dm, glabrous or sparsely stipitate-glandular, especially distally; rhizomes slender; bulblets absent. Leaves usually opposite (to subopposite or whorled); petiole absent; blade linear to narrowly elliptic, 2–6 × 0.1–0.8 cm, base truncate or cuneate, slightly decurrent, margins entire, revolute, eciliolate, apex acute to obtuse, surfaces punctate, glabrous; venation single-veined. Inflorescences terminal, racemes, 3–10 cm. Pedicels 0.7–1.1 cm, glabrous to sparsely stipitate-glandular. Flowers: sepals 5, calyx streaked with black resin canals, 3–6 mm, slightly stipitate-glandular at least marginally, lobes lanceolate, margins thin; petals 5, corolla yellow with reddish base, streaked with black or reddish-black resin canals, rotate, 4–7 mm, lobes with margins entire, apex rounded, stipitate-glandular adaxially; filaments connate 0.4–1 mm, shorter than corolla; staminodes absent. Capsules 3–3.5 mm, not punctate, glabrous. 2n = 42.


Phenology: Flowering early summer.
Habitat: Pine savannas, moist roadsides
Elevation: 0-200 m

Discussion

A rare hybrid (known only from one population in Washington County, North Carolina) of Lysimachia loomisii with L. quadrifolia has been called L. ×radfordii H. E. Ahles.

Selected References

None.

Lower Taxa

None.

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

... more about "Lysimachia loomisii"
2cm;6cm +
stipitate-glandular +
rounded +, acute +  and obtuse +
0.1cm;0.8cm +
Anita F. Cholewa +
Torrey in H. B. Croom +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
acute +  and obtuse +
0.1cm;0.8cm +
single-veined +
sculpted +  and entire +
deltate;oblanceolate;deltate;oblanceolate;lanceolate;ovate;orbiculate;linear to elliptic +
indistinguishable +
stipitate-glandular +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Loomis’s loosestrife +
streaked;yellow +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Ga. +, N.C. +  and S.C. +
0-200 m +
curved +  and straight +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
globose +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Pine savannas, moist roadsides +
nectariferous +
axillary +  and terminal +
monomorphic +
lanceolate +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
stipitate-glandular +, ciliolate +, pubescent +  and glabrous +
acute +  and obtuse +
thin +, 0.1cm +  and 0.8cm +
tenuinucellate +  and bitegmic +
anatropous;campylotropous +
glabrous +  and sparsely stipitate-glandular +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
connate;proximally nearly distinct +
Flowering early summer. +
3-5-carpellate +
in H. B. Croom, Catal. Pl. New Bern +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
reddish-black +  and black +
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 +
much-branched +
stipitate-glandular +  and glabrous +
usually capitate;truncate +
rudimentary +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
stipitate-glandular +, pubescent +  and glabrous +
acute +  and obtuse +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Lysimachia stricta var. angustifolia +  and Lysimachia terrestris var. angustifolia +
Lysimachia loomisii +
Lysimachia +
species +
annual +  and perennial +
stipitate-glandular +  and glabrous +