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Compilation
Erigeron nematophyllus

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Filed as Erigeron nematophyllus Rydberg, P.A. 1905 [family ASTERACEAE]
Paratype of Erigeron nematophyllus Rydb. [family ASTERACEAE]
Paratype of Erigeron nematophyllus Rydb. [family ASTERACEAE]
Holotype of Erigeron nematophyllus Rydb. [family ASTERACEAE]
Paratype of Erigeron nematophyllus Rydb. [family ASTERACEAE]
Paratype of Erigeron nematophyllus Rydb. [family ASTERACEAE]
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Name

Identification
Erigeron nematophyllus Rydb. [family ASTERACEAE ] (stored under name); Verified by Not on sheet,
Related name
  • Erigeron eatonii
  • Erigeron nematophyllus
Common name
  • Needle-leaf fleabane, Flora of North America Vol. 20

Flora

Entry for Erigeron nematophyllus Rydberg [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Erigeron nematophyllus Rydberg [family COMPOSITAE], Bull. Torrey Bot. Club, 32: 124. 1905
Treatment Author(s)
Guy L. Nesom
Information
Perennials, 4–18 cm; taprooted, caudex branches relatively short, thick. Stems erect (greenish), usually closely appressed-strigose, sometimes glabrate, eglandular. Leaves mostly basal or basal (persistent, persistent portion relatively long and slender-fibrous) and cauline (greenish); basal blades 1-nerved linear to linear-oblanceolate or oblanceolate or narrowly spatulate, (20–)30–80 × (0.5–)1–3 mm, cauline reduced distally (bases attenuate, not thickened and whitish-indurate) margins entire (apices obtuse or rounded), faces abaxially glabrous or glabrate, adaxially sparsely strigose, eglandular. Heads 1(–3 rarely, from branches at midstem). Involucres (3.5–)4-–6.5 × (5–)6–13 mm. Phyllaries in 2–4 series (greenish or sometimes purple, margins thickened), strigose to loosely strigoso-hirsute, sometimes more densely so on distal 1/3, sparsely minutely glandular. Ray florets 15–55; corollas white to pink, 4–8 mm, laminae coiling. Disc corollas (2.8–)3.5–4.3 mm. Cypselae 2.2–2.9 mm, 2-nerved, faces and margins villoso-hirsute, sometimes more densely so on nerves; pappi: outer of setae, inner of 15–25 bristles.
Phenology
may (spring), jun-aug (summer)
Altitude range
1700–2900 m;
Distribution
USA Colo.USA UtahUSA Wyo.

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