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FNA | Family List | FNA Vol. 21 | Asteraceae | Heliomeris

4. Heliomeris multiflora Nuttall, J. Acad. Nat. Sci. Philadelphia, n. s. 1: 171. 1847.

Showy goldeneye

Viguiera multiflora (Nuttall) S. F. Blake

Perennials, 20–120+ cm (caudices woody). Stems strigose or puberulent to glabrate. Leaves opposite or alternate; blades elliptic, lance-linear, lance-ovate, linear, or ovate, 10–90 × 2–28 mm, margins ciliate to 1/4 their lengths, hairs mostly less than 0.5 mm, faces strigose, abaxial often gland-dotted. Heads 6–30+. Peduncles 1–15 cm, lengths 1/20–1/2 leafy portions of stems. Involucres 6–14 mm diam. Phyllaries 4–8 mm. Paleae oblong, 5–6 mm, cuspidate. Ray florets 5–14; laminae oval to oblong, 7–20 mm (gland-dotted along veins and abaxially). Disc florets 50+; corollas 3–4 mm. Cypselae black or gray-striate, 1.2–3 mm.

Heliomeris multiflora most frequently occurs in montane habitats. It produces a branched, woody caudex with adventitious buds, even in the first growing season. From the aerial parts of the plant there is little to distinguish it from H. longifolia, although it tends to have longer peduncles and broader leaves.

Varieties 3 (3 in the flora): sw United States, Mexico.

1 Leaves mostly alternate, blades elliptic to ovate, apices obtuse (often mucronate)   4c Heliomeris multiflora var. brevifolia
+ Leaves mostly opposite, blades lance-ovate, lance-linear, or linear, apices acute   (2)
2 (1) Leaves lance-ovate to lance-linear, 5–20 mm wide, margins flat   4a Heliomeris multiflora var. multiflora
+ Leaves lance-linear to linear, 2–5 mm wide, margins usually strongly revolute   4b Heliomeris multiflora var. nevadensis


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