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Helenium puberulum DC.

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Helenium puberulum DC.
Helenium puberulum DC.

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Exotic
Wild
New Zealand
Political Region

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DC.
DC.
ICN
Helenium puberulum DC.
species
Helenium puberulum

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puberulum

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Helenium puberulum DC.

Annual or short-lived perennial herb, c. 0.5-1 m tall. Stems sparsely hairy, becoming glabrous, sometimes sparsely glandular, ribbed, much-branched above and below, with the decurrent lvs forming conspicuous wings. Lower and mid cauline lvs sparsely hairy and densely glandular on both surfaces, apetiolate but narrowed to base in lowermost lvs, elliptic to lanceolate, entire, or shallowly sinuate, 3-13 × 0.5-2.5 cm; uppermost lvs becoming smaller, narrower, and more lanceolate or narrow-triangular. Capitula 10-20 mm diam., long-pedunculate in loose cymes. Outer involucral bracts densely hairy, foliaceous, linear or linear-lanceolate, 4-8 mm long; inner bracts ± glabrous, membranous, c. 2 mm long. Ligules of ray florets inconspicuous, yellow, 3-6 mm long, soon reflexed; disc florets numerous, yellow or tinged brown. Achenes brown, 8-10-ribbed and somewhat angled, glandular, 1.5-2 mm long; ribs with antrorse hairs; pappus scales 5-6, ovate-triangular, aristate and finely laciniate, c. 1 mm long.

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Helenium puberulum DC.
Helenium puberulum DC.
Helenium puberulum DC.
Helenium puberulum DC.
Helenium puberulum DC.

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Helenium puberulum DC.
New Zealand
North Auckland Land District
Helenium puberulum DC.
New Zealand
South Auckland Land District

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e5087e66-30f2-48d6-a36f-c1d6359f9c51
scientific name
Names_Plants
1 January 2000
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