Hypericum ascyron

Linnaeus

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

V6 168-distribution-map.jpg

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.

... more about "Hypericum ascyron"
reddish +  and black +
yellow;orange +
oblong;ellipsoid +
Norman K. B. Robson +
Linnaeus +
striate +  and smooth +
punctiform +
distinct +  and connate +
Undefined sect. Roscyna +
Great or giant St. John’s wort +
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) +  and Asia (Siberia) +
connate +  and distinct +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
2+-flowered +  and cymose +
axillary +  and terminal +
winged +, 6-lined +, 4-lined +  and 2-lined +
terete +  and angled +
glanduliferous +, petiolate +, pseudopetiolate +, subsessile +, sessile +, estipulate +  and simple +
persistent +
glandular-ciliate +
(4-)5-merous +
axile +  and parietal +
glanduliferous +
contorted +  and imbricate +
red-tinged +, yellow +  and orange +
persistent +
distinct +
carinate +
persistent +
connate +  and distinct +
Illustrated +
persistent +
connate +  and distinct +
expanded +  and minute +
connate +  and distinct +
spreading;more or less appressed +
elongate +
Ascyrum +, Crookea +, Sanidophyllum +  and Sarothra +
Hypericum ascyron +
Hypericum sect. Roscyna +
species +
scalariform +
reticulate +  and foveolate +
hairy +  and glabrous +
6 +, 9 +  and 7 +