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

Key to Leptosyne

View taxon page for Leptosyne

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

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

1. Perennial herb or shrubstem stout, 3–20 dm; ray  to , much longer than wide; heads, including rays, generally 4–10 cm diam

2. Trunk fleshy, to ± 2 m; stem solid; heads (1)8–20+ per cluster;  6–20 cm ..... L. gigantea

2' Trunk 0; stem hollow; heads generally 2–4 per cluster; peduncle 15–50 cm ..... L. maritima

1' Annual; stem slender, generally 0.5–4 dm; ray oblong to  or obovate; heads 1–7 cm diam

3. Disk fruit pappus scales 2, 1–5 mm; ray fruit glabrous, pappus scales 0

4. Outer phyllaries triangular-ovate; disk pappus scales 2.5–5 mm ..... L. calliopsidea

4' Outer phyllaries  to linear-oblong; disk pappus scales <= 3 mm

5. Disk pappus scales 1.7–2.8 mm;  and disk fruit fused at base, falling together; rays  horizontally in fully opened heads ..... L. bigelovii

5' Disk pappus scales 0.9–1.3 mm; palea free from disk fruit, falling separately; rays  in fully opened heads ..... L. hamiltonii

3' Disk and ray fruits similar, never ciliate; pappus 0 or of 1–2 scales, < 1 mm

6. Leaves ± flat, 1–2-pinnately divided into narrowly oblanceolate  1–3 mm wide; outer phyllary bases with gland-tipped teeth ..... L. stillmanii

6' Leaves or  lobes linear or thread-like, 0.3–1.3 mm wide; phyllary teeth 0

7. Fruit rusty-tan to light brown or ± red, generally blotched with red or black spots near margin at least when young, wings irregularly thickened, corky ..... L. californica

7' Fruit dark brown, shiny, ± glabrous, wings thin ..... L. douglasii



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 .

We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.