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Ray Hymenopappus

Hymenopappus radiatus N. E. Rose

Description

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Perennials, 30–45 cm. Leaves: basal 2-pinnate, 8–14 cm, lobes 5–15+ × 1–2 mm; cauline 2–3. Heads 6–8 per stem. Peduncles 3–8 cm. Phyllaries yellowish, 7–9 × 3–5 mm. Ray florets 8; corollas white, laminae 14–16 mm. Disc florets 30–50+; corollas yellowish, 3–4 mm, tubes 1.5–2 mm, throats campanulate, 1.5 mm, lengths 3 times lobes. Cypselae 4–4.5 mm, ± hirtellous to villous; pappi of 14–18 scales 0.4–0.6 mm. 2n = 34.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 21: 310 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Hymenopappus radiatus

provided by wikipedia EN

Hymenopappus radiatus, the ray hymenopappus,[2] is a North American species of flowering plant in the daisy family.

It is endemic to the state of Arizona, in the southwestern United States.[3]

Description

Hymenopappus radiatus is a perennial herb up to 45 cm (18 in) tall. One plant produces 6-8 flower heads per stem, each head 8 white ray flowers surrounding 30–50 yellow disc flowers.[4][5]

References

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Hymenopappus radiatus: Brief Summary

provided by wikipedia EN

Hymenopappus radiatus, the ray hymenopappus, is a North American species of flowering plant in the daisy family.

It is endemic to the state of Arizona, in the southwestern United States.

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cc-by-sa-3.0
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Wikipedia authors and editors
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visit source
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wikipedia EN