Artemisia pontica

Linnaeus

Sp. Pl.2: 847. 1753

Common names: Roman wormwood green-ginger armoise de la mer Noire
Treatment appears in FNA Volume 19. Treatment on page 531. Mentioned on page 522, 532.
Perennials, 40–100 cm, somewhat aromatic; rhizomes creeping, woody. Stems relatively numerous, erect, brown, mostly simple (brittle, bases woody) canescent or glabrate. Leaves cauline, grayish green; sessile (proximalmost short-petiolate); blades triangular to ovate, 1–5 × 1–3 cm, 2–3-pinnatifid (lobes 0.5–1 mm wide, acute), faces pubescent (abaxial) or hairy to glabrate (adaxial). Heads (nodding) in paniculiform arrays 10–22 × 2–4 cm. Involucres spheric, 1.5–2(–3) mm. Phyllaries (subequal) linear, hairy. Florets: pistillate 10–12; bisexual 40–45; corollas pale yellow, 0.2–0.3 mm, sometimes gland-dotted (stigma lobes relatively short, not emerging from tubes, short-ciliate). Cypselae ellipsoid (angled), 0.1–0.2 mm, glabrous. 2n = 18.

Phenology: Flowering late summer–fall.
Habitat: Disturbed areas, valleys, shaded thickets
Elevation: 100–500 m

Distribution

V19-922-distribution-map.gif

Man., N.S., Ont., Que., Conn., Del., Ill., Ky., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, Pa., R.I., Vt., Wis., Eurasia.

Discussion

Artemisia pontica has finely dissected gray foliage and is widely planted as an ornamental. It escapes locally; it has not been reported as problematic. The only species with which it has been confused in North America is A. abrotanum, which has dark green (not gray) foliage.

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Artemisia pontica"
AuthorLeila M. Shultz +
AuthorityLinnaeus +
Common nameRoman wormwood +, green-ginger + and armoise de la mer Noire +
DistributionMan. +, N.S. +, Ont. +, Que. +, Conn. +, Del. +, Ill. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Ohio +, Pa. +, R.I. +, Vt. +, Wis. + and Eurasia. +
Elevation100–500 m +
HabitatDisturbed areas, valleys, shaded thickets +
Illustration copyrightFlora of North America Association +
IllustratorLinda Ann Vorobik +
Introducedtrue +
PhenologyFlowering late summer–fall. +
Publication titleSp. Pl. +
Publication year1753 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V19-20-21/V19 922.xml +
SynonymsArtemisia sect. Abrotanum +
Taxon familyAsteraceae +
Taxon nameArtemisia pontica +
Taxon parentArtemisia subg. Artemisia +
Taxon rankspecies +
VolumeVolume 19 +