Helenium elegans var. elegans
Treatment appears in FNA Volume 21. Treatment on page 433.
Plants (20–) 30–100 (–120) cm. Leaves: proximal blades usually entire, rarely serrate; mid and distal leaves entire. Heads 20–100 (–200+). Peduncles 2–5 (–7) cm. Involucres 5–8 × 5–8 mm. Ray-florets 10–14; corollas 5.5–11.5 × 2.7–5.2 mm. Disc-florets 150–300 (–500+). Cypselae 0.6–0.9 mm; pappi 0.05–0.2 mm. 2n = 26.
Phenology: Flowering (May–)Jun–Aug (sometimes again in fall).
Habitat: Calcareous soils, ditches, washes, along streams
Elevation: 100–600 m
Distribution
Ark., Okla., Tex.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Helenium elegans var. elegans"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
paniculiform +
continuous +
decurrent +
pinnatifid;lobed;spatulate;ovate;spatulate;ovate;oblong;oblanceolate;linear;lanceolate;elliptic +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
35;150 +
absent +
zygomorphic +
monomorphic +
dimorphic +
hairy +
0.6mm;0.9mm +
staminate +
staminate +
lanceolate;linear +
straight +
gland-dotted +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
corymbiform +
singly +
singly +
indeterminate +
20;100 +
Present +
surrounding +
ovoid;obconic;ovoid;obconic;hemispheric;globose +
alternate +
cauline +
deltate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
hairy +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
hairy +
unequal +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1836 +
pistillate +
absent +
fertile +
epaleate +
pitted +
ovoid;hemispheric;ovoid;hemispheric;globose;conic +
fibrous +
entire +
absent +
non-aristate +
exalbuminous +
modifed +
alternate +
erect +
2-branched +
papillate +
Helenium elegans var. elegans +
Helenium elegans +
variety +
shorter +
dilated +
equaling +
annual +