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Ray hymenopappus

Habit Perennials, 30–45 cm.
Leaves

basal 2-pinnate, 8–14 cm, lobes 5–15+ × 1–2 mm;

cauline 2–3.

Peduncles

3–8 cm.

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.

Phyllaries

yellowish, 7–9 × 3–5 mm.

Heads

6–8 per stem.

Cypselae

4–4.5 mm, ± hirtellous to villous;

pappi of 14–18 scales 0.4–0.6 mm.

2n

= 34.

Hymenopappus radiatus

Phenology Flowering May–Jul.
Habitat Sandy soils, pine woodlands
Elevation 2100–2700+ m (6900–8900+ ft)
Distribution
from FNA
AZ
[BONAP county map]
Source FNA vol. 21, p. 310.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Hymenopappinae > Hymenopappus
Sibling taxa
H. artemisiifolius, H. biennis, H. carrizoanus, H. filifolius, H. flavescens, H. mexicanus, H. newberryi, H. scabiosaeus, H. tenuifolius
Name authority Rose: Contr. U.S. Natl. Herb. 1: 122. (1891)
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