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Key to DieteriaView taxon page for Dieteria
(For a list of species in Dieteria, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 2. Phyllary tips acute  Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle. to long-acuminate, 1–6 mm; phyllaries generally hairy and/or glandular throughout ..... D. asteroides 3. Involucre hemispheric; phyllary tips long-acuminate, 3–6 mm; leaves of mid-stem serrate  Having margins with sharp, fine to coarse teeth generally pointing tipward, not outward; margins with such teeth on such primary teeth are doubly serrate. or minutely serrate ..... var. asteroides 3' Involucre widely obconic to ± hemispheric; phyllary tips acute to short-acuminate, 1–3 mm; leaves of mid-stem entire  Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.). or nearly so ..... var. lagunensis 2' Phyllary tips acute to short-acuminate, 1–3 mm; phyllaries generally hairy and/or glandular only on green tips ..... D. canescens 4. Heads generally 14–20 mm; subshrub or long-lived perennial  Completing life cycle (germination through death) in more than two years or growing seasons, generally non-woody (at least above ground) to woody; includes perennial herbs as well as subshrubs to trees; the abbreviation 'per' only refers to perennial herb, not to the word 'perennial' alone. herb; e PR (Santa Rosa Mtns) ..... var. ziegleri 4' Heads generally 6–12 mm; annual to short-lived perennial herb; widespread 5' Stems canescent-puberulent, stalked glands sparse or lacking 6. Stems stiffly erect  Upright; vertically oriented. , <= 60 cm; branches many, stiff, spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. ; heads many ..... var. incana 6' Stems various, generally smaller; branches generally fewer, more flexible, loosely spreading to ascending  Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment. ; heads few to many 7. Ray flowers with styles, fertile, well developed; involucre  Group of bracts more or less held together as a unit, subtending a flower, fruit (acorn cup), or inflorescence. generally 8–12 mm; phyllaries generally in 5–10 series ..... var. canescens 7' Ray flowers without styles, sterile, often ± reduced; involucre 6–9 mm; phyllaries generally in 3–5 series ..... var. shastensis (2)
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