Erigeron foliosus var. foliosus

Synonyms: Erigeron foliosus var. stenophyllus Erigeron tenuissimus
Treatment appears in FNA Volume 20. Treatment on page 312.

Leaves without prominent 1-directional orientation; blades (filiform or linear to oblanceolate) 20–40 (–50) × 1–5 (–10) mm, apices usually rounded, faces sparsely strigose to hirsuto-strigose. Phyllaries 0.5–0.8 mm wide, margins usually thick or only with narrow scarious rims, midnerves usually not distinct and orange-resinous, abaxial faces glabrate to sparsely strigose, sometimes sparsely, obscurely glandular; inner phyllaries 3.2–4.5 mm. Ray-florets 15–49; corollas 6–10 mm. Disc corollas 3.5–4 (–5) mm. 2n = 18.


Phenology: Flowering May–Aug(–Sep).
Habitat: Dry, open, rocky or grassy slopes, chaparral, oak to pine or pine-fir woodlands
Elevation: (50–)300–2300(–2900) m

Distribution

V20-683-distribution-map.gif

Calif., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.
glabrate +  and sparsely strigose +
not tailed +, rounded +  and obtuse +
distinct +
rounded +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Guy L. Nesom +
Nuttall +
decurrent +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
linear;oblanceolate +
equal-sized +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
rugulose +  and muricate +
caudex-like +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
not 2-lipped +  and actinomorphic +
white +  and blue +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 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 +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
fertile +  and bisexual +
Calif. +  and Mexico (Baja California) +
(50–)300–2300(–2900) m +
sparsely strigose +  and hirsuto-strigose +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, open, rocky or grassy slopes, chaparral, oak to pine or pine-fir woodlands +
disciform +  and discoid +
in loose , corymbiform or paniculiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.45 cm4.5 mm <br />0.0045 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 +
not +  and scarious +
only +  and thick +
orange-resinous +
2-carpellate +
Flowering May–Aug(–Sep). +
3-nerved +  and 1-nerved +
glabrous or +  and moderately densely strigoso-hirsute +
narrowly elliptic +  and linear-lanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Trans. Amer. Philos. Soc., n. s. +
bearing subulate enations +, hairy +  and bristly +
scarious +
exalbuminous +
prostrate +  and decumbent +
ascending +, erect +  and arising +
strigose +  and glabrous +
appendaged +  and truncate +
papillate +  and smooth +
Erigeron foliosus var. stenophyllus +  and Erigeron tenuissimus +
Erigeron foliosus var. foliosus +
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 />) +