Hymenopappus artemisiifolius var. riograndensis
Rhodora 58: 305, fig. 47. 1956.
Endemic
Treatment appears in FNA Volume 21. Treatment on page 315.
Revision as of 22:47, 29 July 2020 by imported>Volume Importer
Cauline leaves 2–8. Peduncles 2–5 cm. Phyllaries yellowish, 5–7 × 2–4 mm. Disc-florets 40–60; corollas yellowish to reddish, 3–3.5 mm, tubes 2 mm, throats funnelform, 1.5 mm, lengths 1–1.2 times lobes. Cypselae 4–5 mm, ± villous; pappi 1.5–2 mm. 2n = 34.
Phenology: Flowering Mar–May.
Habitat: Sandy-clay or gravelly soils
Elevation: 0–50+ m
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Hymenopappus artemisiifolius var. riograndensis"
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 +
villous +
obpyramidal +
4mm;5mm +
staminate +
Tex. +
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 +
Rhodora +
1956 +
pistillate +
absent +
fertile +
epaleate +
convex;flat +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
erect +
scapiform +
2-branched +
papillate +
Hymenopappus artemisiifolius var. riograndensis +
Hymenopappus artemisiifolius +
variety +
1-1.2 times lobes +
1.5 cm15 mm <br />0.015 m <br /> (?) +
equaling +
longer +
2 cm20 mm <br />0.02 m <br /> (?) +
biennial +