Erigeron bellidiastrum var. robustus
Brittonia 6: 256. 1947.
Endemic
Treatment appears in FNA Volume 20. Treatment on page 339.
Stems moderately branched, usually simple proximally; proximal mostly (2–) 2.5–5 mm wide. Leaves: basal and proximal cauline blades oblanceolate, 20–40 (–60) × 3–5 (–15) mm, margins entire or rarely with a pair of shallow teeth. 2n = 18.
Phenology: Flowering May–Jul(–Sep).
Habitat: Open habitats in deep, loose sand
Elevation: 500–1100 m
Distribution
Colo., Kans., Nebr., N.Mex., Okla., Tex.
Discussion
Intergrades between var. robustus and var. bellidiastrum occur in their area of geographic overlap.
Selected References
None.
Lower Taxa
None.
... more about "Erigeron bellidiastrum var. robustus"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
diffuse +
continuous +
decurrent +
1-nerved +
linear;oblanceolate or spatulate +
ribbed +
stigmatic +
barbellate +
persistent +
15;18 +
absent +
absent +
2-nerved +
dimorphic +
1mm;1.6mm +
absent +
staminate +
straight +
eglandular +
strigose +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
indeterminate +
1;12 +
surrounding +
turbinate;hemispheric +
reflexing +
not coiling +
alternate +
erect;spreading +
deltate +
cartilaginous +
2-carpellate +
inferior +
attached +
anatropous +
tough +
thick +
pistillate +
absent +
connate +
persistent +
distinct +
falling +
hispidulous +
unequal +
equal +
2.5mm;5mm +
Brittonia +
1947 +
pistillate +
absent +
fertile +
epaleate +
pitted +
flat;conic +
fibrous +
exalbuminous +
modifed +
2;3 +
stramineous +
persistent +
connate +
falling +
Endemic +
alternate +
hirsutulous +
deltate +
2-branched +
glabrous +
Erigeron bellidiastrum var. robustus +
Erigeron bellidiastrum +
variety +
indurate +
shallow +
shorter +
taprooted +
annual +