Erigeron philadelphicus var. provancheri

(Victorin & J. Rousseau) B. Boivin

Naturaliste Canad. 89: 72. 1962.

Common names: Vergerette de Provancher
EndemicConservation concern
Basionym: Erigeron provancheri Victorin & J. Rousseau Contr. Inst. Bot. Univ. Montréal 36: 58. 1940
Treatment appears in FNA Volume 20. Treatment on page 320. Mentioned on page 319.

Perennials 4–18 (–20) cm. Stems mostly glabrous. Leaves: basal persistent through flowering; cauline faces glabrous or glabrate. 2n = 18.


Phenology: Flowering May–Aug.
Habitat: Crevices in shale or dolomite, usually beside rivers or lakes, receiving splashed water
Elevation: 0–50 m

Discussion

Of conservation concern.

Erigeron philadelphicus subsp. provancheri (Victorin & J. Rousseau) J. K. Morton is not a valid name.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
(Victorin & J. Rousseau) B. Boivin +
11 cm110 mm <br />0.11 m <br /> (15 cm150 mm <br />0.15 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (4 cm40 mm <br />0.04 m <br />) +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
oblanceolate +  and obovate +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
decurrent +
Erigeron provancheri +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
oblong-oblanceolate +  and lanceolate +
Vergerette de Provancher +
not 2-lipped +  and actinomorphic +
pinkish +  and white +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.21 cm2.1 mm <br />0.0021 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
fertile +  and bisexual +
Ont. +, Que. +, N.Y. +  and Vt. +
0–50 m +
strigose +, sparsely hirsute +  and villous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Crevices in shale or dolomite, usually beside rivers or lakes, receiving splashed water +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
turbinate;hemispheric +
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
coiling +  and not coiling +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
more or less dentate to pinnatifid +  and entire +
shallowly crenate +  and coarsely serrate or pinnately lobed +
not +  and scarious +
2-carpellate +
Flowering May–Aug. +
3-nerved +  and 1-nerved +
hirsuto-villous +  and sparsely hirsute or glabrous +
narrowly elliptic +  and linear-lanceolate +
Naturaliste Canad. +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
branched +  and simple +
prostrate +  and decumbent +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron philadelphicus var. provancheri +
Erigeron philadelphicus +
variety +
inflated +  and tubular +
18 cm180 mm <br />0.18 m <br /> (20 cm200 mm <br />0.2 m <br />) +
4 cm40 mm <br />0.04 m <br /> (18 cm180 mm <br />0.18 m <br />) +
tree +, shrub +  and subshrub +