Picris rhagadioloides

(Linnaeus) Desfontaines

Tabl. École Bot., 89. 1804.

Introduced
Basionym: Crepis rhagadioloides Linnaeus Syst. Nat. ed.,Mant. Pl., 12, 2: 527. 1767,108. 1767
Treatment appears in FNA Volume 19. Treatment on page 303.

Annuals. Leaf-blades 20–60 (–90) × 5–20+ mm. Involucres 8–12+ × 6–9+ mm, larger in fruit. Phyllaries proximally navicular, each enfolding its subtended floret, usually bristly and/or tomentulose abaxially. Cypselae (outer often arcuate) 2.5–3 mm; pappi 1–1.5 (outer cypselae) or 5–6 mm (inner cypselae). 2n = 10.


Phenology: Flowering Jun.
Habitat: Disturbed sites
Elevation: 100–200 m

Discussion

The single report of Picris rhagadioloides for the flora area (as P. sprengerana from St. Louis; G. Yatskievych, pers. comm.) was confirmed for this study. Picris sprengerana (Linnaeus) Poiret has been misapplied to plants here called P. rhagadioloides (see W. Greuter 2003).

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Picris rhagadioloides"
scarious +
ovate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
(Linnaeus) Desfontaines +
decurrent +
Crepis rhagadioloides +
compound +  and simple +
lanceolate;oblanceolate or linear +
tuberculate +, rugose +, muricate +  and smooth +
fusiform +
lanceolate;lance-linear +
filiform +
whitish +  and stramineous +
subequal +
zygomorphic +, actinomorphic +  and (3-)5-merous +
reddish +  and yellow +
reddish-brown +
tapered +, beaked +, flattened +, obcompressed +, compressed +, prismatic +, fusiform +, ellipsoid +, columnar +  and clavate +
Mo. +  and Europe +
100–200 m +
rugulose +
winged +  and beaked +
dispersed +
Disturbed sites +
indeterminate +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
campanulate;urceolate +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
6 cm60 mm <br />0.06 m <br /> (9 cm90 mm <br />0.09 m <br />) +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
sinuate-dentate to pinnately lobed +  and entire +
divided +, lobed +  and dentate +
2-carpellate +
5-6 mm +, 1 +  and 1.5 +
Flowering Jun. +
connate +  and distinct +
tomentulose +  and bristly +
subequal +  and unequal +
Tabl. École Bot., +
flat;convex +
5 +  and 10 +
exalbuminous +
Introduced +
hirsute +  and hispid or setose +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Picris rhagadioloides +
species +
rhizomatous +  and fibrous-rooted +
10 cm100 mm <br />0.1 m <br /> (100 cm1,000 mm <br />1 m <br />) +
shrub +  and subshrub +