Mycelis muralis

(Linnaeus) Dumortier

Fl. Belg., 60. 1827.

IntroducedIllustrated
Basionym: Prenanthes muralis Linnaeus Sp. Pl. 2: 797. 1753
Synonyms: Lactuca muralis (Linnaeus) Gaertner
Treatment appears in FNA Volume 19. Treatment on page 258.

Leaf-blades 35–120 (–180+) × 10–50 (–80+) mm. Peduncles filiform, 5–25+ mm. Involucres 7–11+ mm. Phyllaries: abaxial faces glabrous. Cypselae: bodies 2.5–3 mm, beaks 0.5–1 mm; pappi: outer 0.1–0.2 mm, inner 5–6 mm. 2n = 18.


Phenology: Flowering Jun–Oct.
Habitat: Disturbed sites, openings in mixed forests, calcareous or sandy soils
Elevation: 10–400 m

Distribution

V19-344-distribution-map.gif

Introduced; B.C., Ont., Que., Maine, Mass., Mich., Minn., N.H., N.Y., Oreg., Vt., Wash., Europe

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Mycelis muralis"
rounded +
scarious +
ovate +  and lanceolate +
paniculiform +  and thyrsiform +
indeterminate +  and determinate +
John L. Strother +
(Linnaeus) Dumortier +
decurrent +
Prenanthes muralis +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
compound +  and simple +
oblanceolate;spatulate +
blackish +  and reddish +
tuberculate +, rugose +, muricate +  and smooth +
obovoid;lanceoloid +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
filiform +
subequal +
zygomorphic +, actinomorphic +  and (3-)5-merous +
tapered +, beaked +, flattened +, obcompressed +, compressed +, prismatic +, fusiform +, ellipsoid +, columnar +  and clavate +
B.C. +, Ont. +, Que. +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.Y. +, Oreg. +, Vt. +, Wash. +  and Europe +
10–400 m +
scabrellous +
winged +  and beaked +
dispersed +
Disturbed sites, openings in mixed forests, calcareous or sandy soils +
indeterminate +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
12 cm120 mm <br />0.12 m <br /> (18 cm180 mm <br />0.18 m <br />) +
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (12 cm120 mm <br />0.12 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
2-carpellate +
persistent +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Flowering Jun–Oct. +
connate +  and distinct +
subequal +  and unequal +
flat;convex +
5 +  and 7 +
exalbuminous +
minute +
Introduced +  and Illustrated +
appendaged +  and truncate +
papillate +
Lactuca muralis +
Mycelis muralis +
species +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
perennial +  and annual +
40 cm400 mm <br />0.4 m <br /> (90 cm900 mm <br />0.9 m <br />) +
shrub +  and subshrub +