Key to Euchiton
View taxon page for Euchiton
(For a list of species in Euchiton, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Annual; taprooted;
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).
base not expanded;
bracts subtending
heads 4–8; heads in
spheric clusters;
disk flower 1
..... E. sphaericus 1' Biennial or
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; fibrous-rooted;
cauline leaf base ± expanded; bracts subtending heads 2–5; heads in
hemispheric clusters;
disk flowers 3–5(7)
2. Stolons generally present;
basal 
At or near the base of a plant or plant part. Especially said of leaves clustered near the ground or of a placenta confined to the base of an ovary.
leaves in
rosettes A radiating cluster of leaves generally at or near ground level.
at flower; cauline leaves 2–4(6),
blade 
Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped.
1–2 cm, 1–2 mm wide,
linear 
Elongate, with nearly parallel sides; narrower than elliptic or oblong.
to oblanceolate; bracts subtending heads 2–3, generally not surpassing heads;
pistillate flowers 40–60
..... E. gymnocephalus 2' Stolons generally 0; basal leaves withering before flower; cauline leaves 6–10, 3–8 cm, 2–3 mm wide, generally ± linear; bracts subtending heads 3–5, surpassing heads; pistillate flowers 80–150
..... E. involucratus
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