Flora of North America species comparison

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Hypericum sect. Roscyna
Habit Herbs, perennial, black glands absent.
Leaves

persistent (base not articulated).
Flowers

40–70 mm diam.;

sepals persistent, 5;

petals persistent, 5;

stamens persistent, 150, in 5 fascicles, fascicles usually distinct, rarely 1 pair connate;

ovary (4–)5-merous;

placentation axile;

styles ± appressed, bases ± connate or distinct;

stigmas ± broadly capitate.
Seeds

± carinate.

Hypericum sect. Roscyna
Distribution
e North America; ne Asia; e Asia
Discussion

Species 2 (1 in the flora).

The other species in the section, Hypericum przewalskii Maximowicz, is endemic to China.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 6, p. 97.
Parent taxa Hypericaceae > Hypericum
Subordinate taxa
Synonyms section Roscyna
Name authority (Spach) R. Keller: in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 95[III,6]: 211. (1893)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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