Polygonatum latifolium

(Jacquin) Desfontaines

Ann. Mus. Natl. Hist. Nat. 9: 50. 1807.

Introduced
Basionym: Convallaria latifolia Jacquin Fl. Austriac. 3: 18, plate 232. 1775
Synonyms: Polygonatum hirtum (Poiret) Pursh
Treatment appears in FNA Volume 26. Treatment on page 212. Mentioned on page 211.

Rhizomes shallowly set, 1–2 cm thick. Stems arching, angled, 1–12 dm, sparsely hirsute distally; sheathing bract cauline, papery, caducous. Leaves short-petiolate, 7–12.5 × 3–7 cm; blade elliptic-lanceolate to ovate, glabrous adaxially, minutely hairy or pilose on abaxial veins, apex abruptly acuminate; prominent veins 3–9. Inflorescences in most leaf-axils except distalmost and proximal 2–4; peduncle reflexed, axillary 2–3 (–4) -flowered. Flowers: perianth whitish, tipped with green, tube 10–18 mm, distinct tips 3 mm; stamens inserted near middle of perianth-tube; filaments glabrous or sparsely downy. Berries 6–9 mm. 2n = 20.


Phenology: Flowering early–late spring.
Habitat: Roadside thickets
Elevation: 0–200 m

Distribution

V26 366-distribution-map.jpg

Introduced; Mass., N.H., N.Y., Vt., Europe

Discussion

This European species is locally naturalized in New England (R. Angelo and D. E. Boufford 2000; D. W. Magee and H. E. Ahles 1999).

Selected References

None.

Lower Taxa

None.

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

... more about "Polygonatum latifolium"
cordate +  and linear +
acuminate +
Frederick H. Utech +
(Jacquin) Desfontaines +
whorled +, opposite +  and alternate +
dilated +
Convallaria latifolia +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
reticulate-veined +  and parallel-veined +
pilose +, hairy +  and glabrous +
elliptic-lanceolate +  and ovate +
sheathing +  and involucrate +
1;several +
tunicate +  and scaly +
Mass. +, N.H. +, N.Y. +, Vt. +  and Europe +
0–200 m +
downy +  and glabrous +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
pendulous +  and nodding +
unisexual +  and bisexual +
dark blue;black +
indehiscent +, septicidal +  and loculicidal +
globose +
membranaceous +  and leathery +
Roadside thickets +
umbellate +, cymose +  and spicate +
short-petiolate +
dispersed +
persistent +
7 cm70 mm <br />0.07 m <br /> (12.5 cm125 mm <br />0.125 m <br />) +
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
ovoid;globose +
many;several +
2-3(-4)-flowered +
Flowering early–late spring. +
Ann. Mus. Natl. Hist. Nat. +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
fibrous +  and fleshy +
wind-distributed +
yellowish tan +  and brownish olive +
1 +  and many +
subglobose +  and globose +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Introduced +
leafy +  and simple +
1 +  and several +
capitate +  and obscurely 3-lobed +
3 +  and 1 +
slender +
Polygonatum hirtum +
Polygonatum latifolium +
Polygonatum +
species +
marcescent +
persistent +
distinct +  and connate +
distinct +
3 cm30 mm <br />0.03 m <br /> (?) +
sepaloid +  and petaloid +
cylindrical +
1 cm10 mm <br />0.01 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
narrower +
caulescent +  and scapose +
3 +  and 2 +