Cornus kousa

Bürger ex Hance

J. Linn. Soc., Bot. 13: 105. 1872.

Common names: Kousa dogwood
Introduced
Basionym: Benthamia japonica Siebold & Zuccarini Fl. Jap. 1: 38, plate 16. 1836
Synonyms: Benthamidia japonica (Siebold & Zuccarini) H. Hara Dendrobenthamia japonica (Siebold & Zuccarini) Hutchinson
Treatment appears in FNA Volume 12. Treatment on page 445.

Trees to 10 m, flowering at 2 m. Stems solitary or clustered, bark mottled gray and tan, of thin exfoliating plates; branches gray-maroon with longitudinal fissures, bark flaky; branchlets gray, densely appressed-hairy; lenticels pale, round or lenticular spots. Leaves: petiole 5–12 mm; blade elliptic, ovate, or widely ovate, 5–8 × 2–5 cm, base cuneate, apex long acuminate, abaxial surface pale green, appressed-hairy, tufts of erect hairs in axils of secondary-veins, adaxial surface dark green, appressed-hairy; secondary-veins 4–6 per side, evenly spaced, vein also present on leaf margin. Inflorescences subglobose, 0.9–1.4 cm diam., 40–75-flowered; peduncle 40–60 mm; petaloid bracts white to slightly yellow, narrowly ovate, rhombic, or trullate, 4–7 × 3–6 cm, base cuneate, apex acuminate. Flowers: hypanthium appressed-hairy; sepals 1–1.5 mm; petals cream or yellow-green, 3–4 mm. Syncarps red, subglobose, 20–27 mm diam.; stones ellipsoid, 7–9 × 4–5 mm, smooth.


Phenology: Flowering Apr–Jul; fruiting Aug–Oct.
Habitat: Disturbed areas, lawns.
Elevation: 0–1000 m.

Distribution

V12 1001-distribution-map.jpg

Introduced; N.Y., N.C., Asia (China), Asia (Japan), Asia (Korea)

Discussion

Cornus kousa is frequently planted in the flora area as an ornamental and for its edible fruit. Though not well established, it has been noted to spread from cultivation.

Selected References

None.

Lower Taxa

None.
... more about "Cornus kousa"
versatile +  and dorsifixed +
curling +
ornamented +
Zack E. Murrell +  and Derick B. Poindexter +
Bürger ex Hance +
mottled gray and tan +
cuneate +
Benthamia japonica +
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
ovate +  and elliptic +
2cm;5cm +
white;slightly yellow +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
trullate +, rhombic +  and ovate +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
gray-maroon +
appressed-hairy +
Kousa dogwood +
expanding +  and minute +
N.Y. +, N.C. +, Asia (China) +, Asia (Japan) +  and Asia (Korea) +
ellipsoid +, subglobose +  and globose +
0–1000 m. +
Disturbed areas, lawns. +
appressed-hairy +
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
terminal +  and axillary +
lenticular +  and round +
intrastaminal +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
distinct +
recurved +  and spreading +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Flowering Apr–Jul +  and fruiting Aug–Oct. +
[1-]2[-4]-carpellate +
exfoliating +
J. Linn. Soc., Bot. +
connate +  and distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Introduced +
free +  and distinct +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
ellipsoid +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
subglobose +
Benthamidia japonica +  and Dendrobenthamia japonica +
Cornus kousa +
Cornus subg. Syncarpea +
species +
deciduous +  and perennial +