Cornus subg. Cynoxylon

(Rafinesque) Rafinesque

Alsogr. Amer., 59. 1838.

Basionym: Cornus sect. Cynoxylon Rafinesque Med. Fl. 1: 132. 1828
Synonyms: Benthamidia Spach Cynoxylon (Rafinesque) Small
Treatment appears in FNA Volume 12. Treatment on page 445. Mentioned on page 444.

Shrubs or trees; rhizomes absent. Branches and leaves opposite. Inflorescences capitula; bracts 4–6, well developed, petaloid, subtending inflorescence and surrounding or enclosing it over winter. Pedicels absent. Drupes distinct; stone apex dimpled to rounded.

Distribution

North America, Mexico

Discussion

Species 2 (2 in the flora).

Selected References

None.

Key

1 Drupes angular in cross section, closely appressed to each other; petaloid bracts 4–6 per inflorescence; w North America. Cornus nuttallii
1 Drupes round in cross section, spreading from each other; petaloid bracts 4 per inflorescence; e North America. Cornus florida
... more about "Cornus subg. Cynoxylon"
versatile +  and dorsifixed +
curling +
ornamented +
Zack E. Murrell +  and Derick B. Poindexter +
(Rafinesque) Rafinesque +
Cornus sect. Cynoxylon +
lanceolate +  and broadly ovate +
enclosing +  and surrounding +
4 +  and 6 +
expanding +  and minute +
North America +  and Mexico +
distinct +
ellipsoid +, subglobose +  and globose +
urceolate +  and turbinate +
terminal +  and axillary +
intrastaminal +
distinct +
recurved +  and spreading +
[1-]2[-4]-carpellate +
Alsogr. Amer., +
connate +  and distinct +
free +  and distinct +
Benthamidia +  and Cynoxylon +
Cornus subg. Cynoxylon +
subgenus +
deciduous +  and perennial +
tree +  and shrub +