Silphium terebinthinaceum var. pinnatifidum
Manual, 220. 1848.
Endemic
Basionym: Silphium pinnatifidum Elliott Sketch Bot. S. Carolina 2: 462. 1823
Treatment appears in FNA Volume 21. Treatment on page 78.
Revision as of 22:01, 29 July 2020 by imported>Volume Importer
Leaves pinnately lobed (lobes to 13, sinuses relatively shallow to deep, sometimes almost to midrib; ultimate margins entire or toothed). 2n = 14.
Phenology: Flowering mid summer–early fall.
Habitat: Wet or dry prairies, fens, open, disturbed sites
Elevation: 100–500 m
Distribution
Ala., Ga., Ill., Ky., Mich., Ohio, Tenn.
Discussion
Selected References
None.
Lower Taxa
None.
"broader" is not a number.
... more about "Silphium terebinthinaceum var. pinnatifidum"
glabrous +
introrse +
connate +
herbaceous +
obtuse;acute +
scarious +
absent +
hirsute +
papillate +
bristlelike +
continuous +
petiolate +
persistent +
elliptic +
lobed;sagittate;ovate;sagittate;ovate;lanceolate;deltate;cordate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
alternate +
zygomorphic +
yellow +
winged +
dimorphic +
staminate +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
indeterminate +
surrounding +
campanulate;hemispheric +
lobed +
deltate +
appressed +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
fragile +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
Manual, +
1848 +
pistillate +
absent +
fertile +
paleate +
flat;slightly convex +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
branched +
erect +
glabrous +
terete +
continuous +
2-branched +
papillate +
Silphium terebinthinaceum var. pinnatifidum +
Silphium terebinthinaceum +
variety +
cylindric +
narrow +
much shorter +
cylindric +
shorter to longer than campanulate +
perennial +
taprooted +
scapiform +