Jepson eFlora
Key to families | Table of families and genera

Key to Gayophytum

View taxon page for Gayophytum

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

1. Petals 3–8 mm; stigma exserted beyond anthers (see also Gayophytum heterozygum)

2. Petals 3–7 mm; Cascade Range, n High Sierra Nevada (Plumas Co.), San Bernardino Mountains, Warner Mountains ..... G. diffusum subsp. diffusum

2' Petals 4–8 mm; Sierra Nevada (s of Placer Co.) ..... G. eriospermum

1' Petals 0.5–3 mm; stigma generally not exserted beyond anthers

3. Seeds ± 50% aborted; fruit very irregular, lumpy ..... G. heterozygum

3' Seeds all maturing; fruit not irregular, smooth to very knobby

4. Fruit flat; plant generally branched only proximally, 2° branches 0–many

5. Lateral fruit valves staying attached; petals 0.8–1.5 mm; larger stamens ± 0.7 mm ..... G. humile

5' All fruit valves coming free; petals 1.3–1.8 mm; larger stamens 0.8–1.5 mm ..... G. racemosum

4' Fruit ± cylindric; plant branched only distally to throughout, 2° branches generally many

6. Seeds in each chamber overlapped, generally in 2 rows

7. Petals 1.2–3 mm; pedicel generally < fruit ..... G. diffusum subsp. parviflorum (3)

7' Petals 0.7–1.5 mm; pedicel generally > fruit ..... G. ramosissimum

6' Seeds in each chamber not overlapped, in 1 row

8. Seeds > 9, ± opposite; fruit slightly knobby

9. Branches ± throughout, generally 2–8 nodes between ..... G. decipiens

9' Branches at base or not, many distally, generally 0–1 node between ..... G. diffusum subsp. parviflorum (3)

8' Seeds (1)3–9, generally alternate; fruit very knobby

10. Seeds 6–9; fruit generally > pedicel ..... G. diffusum subsp. parviflorum (3)

10' Seeds (1)3–5; fruit ± = pedicel ..... G. oligospermum


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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