Erigeron foliosus var. mendocinus

(Greene) G. L. Nesom

Phytologia 72: 187. 1992.

EndemicConservation concern
Basionym: Erigeron mendocinus Greene Leafl. Bot. Observ. Crit. 2: 9. 1909
Treatment appears in FNA Volume 20. Treatment on page 313. Mentioned on page 312.

Leaves without prominent 1-directional orientation; blades 20–40 × 2–4 mm wide, apices acute to obtuse, faces glabrous or glabrate (margins and midveins ascending-ciliate). Phyllaries 0.8–1 mm wide, margins usually broadly scarious, midnerves usually not distinct and orange-resinous, abaxial faces moderately to densely strigoso-hirsute, densely, prominently glandular; inner phyllaries 5–6.5 mm. Ray-florets 25–48; corollas 10–15 mm. Disc corollas 3.8–5 mm.


Phenology: Flowering May–Aug.
Habitat: Bars, banks, and ledges along rivers, dry slopes
Elevation: 30–800 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
strigoso-hirsute +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
(Greene) G. L. Nesom +
decurrent +
Erigeron mendocinus +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 cm10 mm <br />0.01 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
linear;oblanceolate +
equal-sized +
2mm;4mm +
rugulose +  and muricate +
caudex-like +
not 2-lipped +  and actinomorphic +
white +  and blue +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
fertile +  and bisexual +
30–800 m +
glabrate +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Bars, banks, and ledges along rivers, dry slopes +
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 /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
turbinate;hemispheric +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
not coiling +
petiolate +  and sessile +
erect;spreading +
deltate +
orange-resinous +
2-carpellate +
Flowering May–Aug. +
3-nerved +  and 1-nerved +
glabrous or +  and moderately densely strigoso-hirsute +
narrowly elliptic +  and linear-lanceolate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
prostrate +  and decumbent +
ascending +, erect +  and arising +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron foliosus var. mendocinus +
Erigeron foliosus +
variety +
inflated +  and tubular +
90 cm900 mm <br />0.9 m <br /> (100 cm1,000 mm <br />1 m <br />) +
20 cm200 mm <br />0.2 m <br /> (100 cm1,000 mm <br />1 m <br />) +