Show Lower Taxa
Hypericum ascyron
Sp. Pl. 2: 783. 1753.
Common names: Great or giant St. John’s wort
Illustrated
Treatment appears in FNA Volume 6. Treatment on page 97.
Distribution
Ont., Que., Conn., Ill., Ind., Iowa, Kans., Mass., Md., Mich., Minn., Mo., N.Y., Ohio, Pa., Vt., Wis., Asia (e China), Asia (Japan), Asia (Korea), Asia (Siberia)
Discussion
Subspecies 3 (1 in the flora).
Selected References
None.
Lower Taxa
... more about "Hypericum ascyron"
isodiametric +
yellow;orange +
dehiscing +
oblong;ellipsoid +
punctiform +
2-5-valved +
Great or giant St. John’s wort +
straight +
absent +
branching +
stellate +
capsular +
septicidal +
black +
absent +
simple +
opposite +
persistent +
like +
glandular-ciliate +
(4-)5-merous +
axile +
superior +
anatropous +
1;2 +
various +
glanduliferous +
contorted +
persistent +
distinct +
Sp. Pl. +
1753 +
carinate +
persistent +
Illustrated +
fascicles +
persistent +
1;150 +
fascicles +
absent +
reduced +
capitate +
appressed +
spreading;more or less appressed +
2;5 +
elongate +
Hypericum ascyron +
Hypericum sect. Roscyna +
species +
scalariform +
rhizomatous +
perennial +