Silphium perfoliatum var. perfoliatum
Endemic
Treatment appears in FNA Volume 21. Treatment on page 79.
Stems glabrous, hispid, or scabrous. Peduncles usually scabrous to hispid. 2n = 14.
Phenology: Flowering summer–early fall.
Habitat: Wet prairies, open forests, and river bottoms
Elevation: 50–500 m
Distribution
Ont., Ala., Ark., Conn., Ill., Ind., Iowa, Kans., Ky., La., Mass., Mich., Minn., Miss., Mo., Nebr., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.
"broader" is not a number.
... more about "Silphium perfoliatum var. perfoliatum"
introrse +
connate +
herbaceous +
acute;acuminate +
scarious +
absent +
hirsute +
papillate +
bristlelike +
continuous +
caducous +
truncate +
attenuate +
elliptic +
ovate;lanceolate;ovate;lanceolate;deltate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
yellow +
winged +
dimorphic +
staminate +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
indeterminate +
surrounding +
campanulate;hemispheric +
deltate +
appressed +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
fragile +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
Syst. Nat. ed. +
1759 +
pistillate +
absent +
fertile +
paleate +
flat;slightly convex +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
branched +
erect +
square +
continuous +
2-branched +
papillate +
Silphium perfoliatum var. perfoliatum +
Silphium perfoliatum +
variety +
cylindric +
narrow +
much shorter +
cylindric +
shorter to longer than campanulate +
perennial +