Key to Reseda
View taxon page for Reseda
(For a list of species in Reseda, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Sepals and
petals 4;
leaf 
Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets).
entire 
Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.).
..... R. luteola 1' Sepals and petals 5–6; leaf entire or lobed
2. Leaf pinnately lobed,
lobes 
1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth.
4–11 per side; petals alike, ± equally 3-lobed;
fruit 4-parted, with
persistent filaments ..... R. alba 2' Leaf entire or 3- or pinnate-lobed, lobes 0–3 per side; petals not alike, entire to unequally 6-lobed; fruit 3-parted, without persistent filaments
3. Leaf pinnately lobed, lobes 1–3 per side;
bracts not persistent;
pedicel 
Stalk of an individual flower in an inflorescence, or the corresponding structure in fruit.
2–4.5 mm;
stamens 14–17;
seed 1.5–1.7 mm, smooth
..... R. lutea 3' Leaf entire to 3-lobed, lobes 0–1 per side; bracts persistent; pedicel 4–12 mm; stamens 20–25; seed 2–2.2 mm, rough
..... [R. odorata]
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