Jepson eFlora
Key to families | Table of families and genera

Key to Pentachaeta

View taxon page for Pentachaeta

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

1. Well developed ray flowers 0; ray of pistillate flowers 0 or pistillate flowers 0

2. Disk flowers generally 4; corolla 3-lobed ..... P. alsinoides

2' Disk flowers 6–34; corolla 5-lobed ..... P. exilis subsp. exilis

1' Well developed ray flowers generally present, ray evident

3. Ray flowers white, ray sometimes ± red abaxially; pappus bristles present or 0

4. Ray flowers 7–16; peduncle glabrous to short-hairy ..... P. bellidiflora

4' Ray flowers (0)1–3; peduncle soft-shaggy-hairy ..... P. exilis subsp. aeolica

3' Ray flowers generally yellow or proximally yellow, distally white, sometimes ± brown-orange; pappus bristles present

5. Ray flowers 7–12, disk flowers 10–23; largest leaves < 2.5 cm ..... P. fragilis

5' Ray flowers 14–52, disk flowers 30–91; largest leaves 2.5–5.5 cm

6. Phyllaries lanceolate, soft-shaggy-hairy; pappus bristles 8–12 ..... P. lyonii

6' Phyllaries narrowly to widely-elliptic, glabrous or sparsely short-hairy; pappus bristles 5–8 ..... P. aurea

7. Ray proximally yellow, distally white ..... subsp. allenii

7' Ray yellow to orange ..... subsp. aurea


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