Cornus drummondii C.A.Mey.

Roughleaf dogwood (en)

Species

Angiosperms > Cornales > Cornaceae > Cornus

Characteristics

Shrubs or trees, to 6 m, flowering at 1.5 m; rhizomes present. Stems solitary, 1–6 dm apart; bark pinkish gray, appearing braided, becoming corky, checkered with square or rectangular plates 2–5 mm wide; branchlets yellow-green abaxially, pink-maroon adaxially, densely erect-hairy when young; lenticels inconspicuous on new growth, protruding and splitting longitudinally on 2d year branches; pith brown, white, or tan. Leaves: petiole 8–25 mm; blade lanceolate to ovate, 2–12 × 1.2–7.7 cm, base cuneate, truncate, or cordate, apex abruptly acuminate, abaxial surface pale green, hairs curved upward, dense, adaxial surface gray-green, hairs curved upward or appressed; secondary veins 3–4(–5) per side, most arising from proximal 1/2. Inflorescences flat-topped or convex, 3–8 cm diam., peduncle 20–40 mm; branches and pedicels pink or red, fading yellow when dried, central part of pedicels white after fruit falls. Flowers: hypanthium densely appressed-hairy; sepals 0.4–1.3 mm; petals white, 2.3–3.2 mm. Drupes white, globose or subglobose, 4–7.5 mm diam.; stone subglobose, 3–6 mm diam., smooth or slightly grooved, apex rounded. 2n = 22.
More
Shrubs or occasionally small trees to 6 m; twigs scabrous, olive to pinkish-brown, with white or tan pith; old bark gray, sometimes fissuring; lvs lance-ovate to elliptic or broadly ovate, mostly 5–8 cm, commonly abruptly acuminate, broadly cuneate to subcordate at base, scabrous-strigose above and evidently rough to the touch, minutely papillose-whitened beneath and with appressed or spreading hairs often 0.5 mm; lateral veins 3 or 4(5) on a side, tending to arise from the lower half of the blade; infl flat or convex; fr white (light blue), 4–8 mm, on red pedicels; 2n=22. Wet woods and streambanks; O. and s. Mich. to s. Wis., Io., and Neb., s. to Ga. and Tex. May, June. (C. priceae)
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 6.0
Root system rhizome
Rooting depth (meter) 0.5
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Forming thickets along roadsides, limestone barrens, limestone outcrops, dry woodlands, rocky stream banks, prairies, old fields, meadows, swamp margins; at elevations up to 1,500 metres.
Light 5-8
Soil humidity 2-4
Soil texture 2-5
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 5-7

Usage

Uses environmental use medicinal wood
Edible fruits
Therapeutic use Venereal Aid (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 90 - 730
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Cornus drummondii unspecified picture

Distribution

Cornus drummondii world distribution map, present in Åland Islands, Canada, Micronesia (Federated States of), Georgia, and United States of America

Conservation status

Cornus drummondii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:271556-1
WFO ID wfo-0000924658
COL ID YGJB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Swida priceae Thelycrania priceae Cornus drummondii Cornus priceae Cornus stricta Cornus asperifolia var. drummondii Swida drummondii Cornus drummondii f. priceae