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Inula helenium L.
ELECAMPANE
Elecampane inula

Life   Plantae   Dicotyledoneae   Asteraceae   Inula

Inula helenium
© Les Mehrhoff, 2008-2010 · 1
Inula helenium

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Inula helenium, leaf and flower
© Kay Yatskievych, 2003 · 1
Inula helenium, leaf and flower

Associates · map
FamilyScientific name @ source (records)
Apidae  Melissodes bidentis @ CUIC_ENT (9)

Melissodes desponsa @ AMNH_BEE (1); CUIC_ENT (1)

Melissodes druriella @ CUIC_ENT (1)

Xylocopa virginica @ CUIC_ENT (4)
Coleosporiaceae  Coleosporium inulae @ BPI (14)
Erysiphaceae  Erysiphe cichoracearum @ BPI (14)
Halictidae  Agapostemon virescens @ CUIC_ENT (1)

Augochlora pura @ CUIC_ENT (23)
Megachilidae  Megachile campanulae @ CUIC_ENT (1)

Megachile inermis @ CUIC_ENT (4); UCRC_ENT (3)

Megachile latimanus @ CUIC_ENT (5)

Megachile pugnata @ CUIC_ENT (1)

Megachile relativa @ CUIC_ENT (1)
Pucciniaceae  Puccinia hieracii @ BPI (1)
Uropyxidaceae  Aecidium inulae-helenii @ BPI (3)
Xylariaceae  Anthostomella rostrispora @ BPI (1)

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FNA Vol. 19, 20 and 21 Page 472 , 474 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Inula

1. Inula helenium Linnaeus, Sp. Pl. 2: 881. 1753.

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. 2 n = 20.

Flowering mid—late summer. Roadsides, waste places, streamsides; 0—300(—600+) m; introduced; 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.

Inula helenium is widespread in the Old World.

Updated: 2024-05-26 20:35:26 gmt
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