Erigeron aphanactis var. congestus

(Greene) Cronquist

Brittonia 6: 177. 1947.

Endemic
Basionym: Erigeron congestus Greene Leafl. Bot. Observ. Crit. 2: 218. 1912
Treatment appears in FNA Volume 20. Treatment on page 291.

Stems scapiform. Heads 1. Disc corolla lobes sometimes becoming reddish or purplish.


Phenology: Flowering May–Sep.
Habitat: Dry, sandy sites
Elevation: 1300–2600 m

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +, corymbiform +  and loose +
indeterminate +  and determinate +
Guy L. Nesom +
(Greene) Cronquist +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
linear-oblanceolate +  and spatulate +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
decurrent +
Erigeron congestus +
linear;lanceolate oblanceolate or spatulate +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
yellow +, usually white +  and bluish or purplish +
beaked +, 2-ribbed +  and 5-ribbed +
subterete +, oblong +  and oblong-obovoid compressed +
fertile +  and bisexual +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
fertile +  and bisexual +
Calif. +, Nev. +  and Utah. +
1300–2600 m +
strigose +, stipitate-glandular +  and canescent-hirsute +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Dry, sandy sites +
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 +
0.7 cm7 mm <br />0.007 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
petiolate +  and sessile +
cauline +  and basal +
erect;spreading +
deltate +
Not (?) +  and Scarious (?) +
2-carpellate +
Flowering May–Sep. +
3-nerved +  and 1-nerved +
narrowly elliptic +  and linear-lanceolate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
prostrate +  and decumbent +
erect +  and slightly decumbent-ascending +
scapiform +
appendaged +  and truncate +
papillate +  and smooth +
Achaetogeron +  and Trimorpha +
Erigeron aphanactis var. congestus +
Erigeron aphanactis +
variety +
inflated +  and tubular +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
2 cm20 mm <br />0.02 m <br /> (20 cm200 mm <br />0.2 m <br />) +
tree +, shrub +  and subshrub +