Chloracantha spinosa var. spinosa
Illustrated
Treatment appears in FNA Volume 20. Treatment on page 358.
Stems 50–120 (–150) cm, usually thorny proximally but armament of distal portions variable among populations, some producing only thornless, wandlike branches. Leaves mostly 10–40 mm. Involucres 4–5.5 (–6) mm. Ray-floret laminae 3.5–5 (–7) mm. 2n = 18.
Phenology: Flowering (May–)Aug–Nov.
Habitat: Riverbanks, freshwater swamps, bottomlands, low prairies, saline flats, ditches, irrigation channels
Elevation: 0–1200(–1500) m
Distribution
Ariz., Calif., La., Nev., N.Mex., Okla., Tex., Utah, Mexico
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Chloracantha spinosa var. spinosa"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
corymbo-paniculiform +
continuous +
decurrent +
1-nerved +
oblanceolate +
ribbed +
thornless +
wand-like +
stigmatic +
barbellate +
tawny +
persistent +
30;60 +
absent +
absent +
5(-6)-nerved +
dimorphic +
staminate +
variable +
straight +
glabrous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
Riverbanks, freshwater swamps, bottomlands, low prairies, saline flats, ditches, irrigation channels +
singly +
indeterminate +
Present +
surrounding +
broadly turbinate;hemispheric +
modified +
ascending +
sessile +
alternate +
cauline +
erect;spreading +
deltate +
hyaline +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
tough +
thick +
absent +
connate +
parallel-nerved +
persistent +
distinct +
falling +
unequal +
Phytologia +
1991 +
pistillate +
absent +
fertile +
epaleate +
convex +
fibrous +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
thorny +
erect +
2-branched +
glabrous +
Chloracantha spinosa var. spinosa +
Chloracantha spinosa +
variety +
small +
2 times longer than +
perennial +
subshrub +