Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Helianthella

View taxon page for Helianthella

(For a list of species in Helianthella, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Outer phyllaries generally enlarged, leaf-like, incurved;  2.5–4 cm diam; fruit center thick, edge thin ..... H. castanea

1' Outer phyllaries seldom enlarged or leaf-like, not incurved; involucre generally (1)1.5–2 cm diam; fruit , thin ..... H. californica

2. Pappus 0; stem branched; cauline leaves generally  ..... var. californica

2' Pappus present; stem generally unbranched; cauline leaves generally 

3. Disk generally 1.5–2 cm diam; pappus generally of 2  or narrow scales, 1–2 mm, and crown of short scales;  blades oblong- or lance-linear, (1.5)2–4(4.5) cm wide, heads generally 2–3 ..... var. nevadensis

3' Disk generally 1–1.5 cm diam; pappus generally of 2 awns, 1 mm; leaf blades  to lance-linear (narrowly ovate), 3–6(18) mm wide; heads generally 1 ..... var. shastensis



Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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