Hymenopappus artemisiifolius var. artemisiifolius
Endemic
Treatment appears in FNA Volume 21. Treatment on page 315.
Cauline leaves (6–) 8–16. Peduncles 1–4 (–6) cm. Phyllaries usually whitish, sometimes red-tinged, 6–12 × 3–7 mm. Disc-florets 20–30+; corollas whitish to purplish, 3.5–5 mm, tubes 2.5–3 mm, throats funnelform, 1–1.5 mm, lengths 1–1.5 times lobes. Cypselae 3.5–4 mm, hirtellous; pappi 0.3–1 (–1.5) mm. 2n = 34.
Phenology: Flowering Mar–May.
Habitat: Sandy soils, pine and oak woodlands
Elevation: 10–300+ m
Distribution
Ark., La., Tex.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Hymenopappus artemisiifolius var. artemisiifolius"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
decurrent +
toothed +
1-2+ times pinnately lobed ultimate margins usually entire +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
monomorphic +
12-16-ribbed +
dimorphic +
hirtellous +
obpyramidal +
3.5mm;4mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
aggregated +
indeterminate +
20;60 +
surrounding +
obconic;hemispheric +
petiolate +
alternate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
scarious-margined +
persistent +
distinct +
falling +
subequal +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1836 +
pistillate +
absent +
fertile +
epaleate +
convex;flat +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
erect +
scapiform +
2-branched +
papillate +
Hymenopappus artemisiifolius var. artemisiifolius +
Hymenopappus artemisiifolius +
variety +
1-1.5 times lobes +
equaling +
longer +
biennial +