Hypericum sect. Roscyna

(Spach) R. Keller in H. G. A. Engler and K. Prantl

in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 95[III,6]: 211. 1893.

Basionym: Undefined sect. Roscyna Spach
Treatment appears in FNA Volume 6. Treatment on page 97. Mentioned on page 73.
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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.

Distribution

e North America, ne, e Asia.

Discussion

Species 2 (1 in the flora).

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

Selected References

None.

Lower Taxa

... more about "Hypericum sect. Roscyna"
Norman K. B. Robson +
(Spach) R. Keller in H. G. A. Engler and K. Prantl +
Undefined sect. Roscyna +
e North America +, ne +  and e Asia. +
in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. +
Ascyrum +, Crookea +, Sanidophyllum +  and Sarothra +
Hypericum sect. Roscyna +
Hypericum +
section +