Difference between revisions of "Inula helenium"
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name=Inula helenium | name=Inula helenium | ||
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|authority=Linnaeus | |authority=Linnaeus | ||
|rank=species | |rank=species | ||
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|publication year=1753 | |publication year=1753 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V19_794.xml |
|tribe=Asteraceae tribe Inuleae | |tribe=Asteraceae tribe Inuleae | ||
|genus=Inula | |genus=Inula |
Revision as of 20:21, 16 December 2019
Plants 50–100(–200) cm. Leaves: basal blades ± elliptic, mostly 15–40 cm × 100–200+ mm (bases decurrent onto strongly ribbed petioles, margins callose-denticulate, otherwise entire, abaxial faces velvety-woolly, adaxial thinly hairy); cauline blades ovate or elliptic to lanceolate, 10–30 cm × 45–120 mm, bases cordate, clasping, margins serrate. Involucres (20–)30–40 mm diam. Outer phyllaries ovate, oblong, or ± deltate to lanceolate, 12–20(–25+) × 6–8(–20+) mm (abaxially velvety-hairy); inner phyllaries progressively narrower, less hairy, more scarious. Ray florets (15–)50–100+; corolla laminae (10–)20–30+ mm. Disc corollas 9–11 mm. Cypselae 3–4 mm, glabrous; pappi of (40–)50–60 basally connate, barbellate bristles or setiform scales 6–10 mm. 2n = 20.
Phenology: Flowering mid–late summer.
Habitat: Roadsides, waste places, streamsides
Elevation: 0–300(–600+) m
Distribution
![V19-794-distribution-map.gif](/w/images/0/0f/V19-794-distribution-map.gif)
B.C., Man., N.B., N.S., Ont., P.E.I., Que., Calif., Conn., Del., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., Mo., N.H., N.J., N.Y., N.C., Ohio, Oreg., Pa., R.I., Tenn., Utah, Vt., Va., Wash., Wis., Europe, introduced, Asia and beyond.
Discussion
Inula helenium is widespread in the Old World.
Selected References
None.