Stephanomeria Nuttall (Q3171)
Stephanomeria is a taxon with the rank genus within the tribe Cichorieae
Language | Label | Description | Also known as |
---|---|---|---|
English |
Stephanomeria Nuttall
|
Stephanomeria is a taxon with the rank genus within the tribe Cichorieae
|
Statements
taxon/id/Stephanomeria Nuttall
0 references
Stephanomeria Nuttall
Stephanomeria
Nuttall
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
accepted
1 reference
Annuals, 10–200 cm, taprooted, or perennials, 10–100 cm, with deeply seated, woody caudices or stout or slender, creeping rhizomes.
1 reference
Stems (1–8) erect, simple or branched, usually glabrous, sometimes hairy (especially when young).
1 reference
blades linear to oblong, oblanceolate, or spatulate, usually runcinate, margins usually pinnately lobed (spinulose-tipped in S. parryi), sometimes entire or toothed (S. lactucina, S. tenuifolia, and S. fluminea) (faces glabrous, puberulent, or tomentose);
1 reference
distal bractlike (to 45 mm in S. fluminea).
1 reference
Heads borne singly or clustered (in paniculiform arrays in some subspecies of S. exigua).
1 reference
Peduncles not inflated distally, sometimes bracteate.
1 reference
Calyculi of 3–5, unequal bractlets (more numerous in some perennials; not distinguishable in S. cichoriacea), appressed or reflexed (some annuals).
1 reference
Involucres ± cylindric to turbinate, 2–3 (–5+) mm diam.
1 reference
Phyllaries usually 5–12 in 1 series, equal (20–25 in 2–3 series, unequal in S. cichoriacea, usually glabrous, rarely puberulent, densely stipitate-glandular in S. exigua subsp. deanei).
1 reference
Receptacles flat, usually smooth (pitted in S. cichoriacea), glabrous, epaleate.
1 reference
Florets (4–) 5–16;
1 reference
corollas usually pink or lavender, sometimes white (annuals often purple-tinged abaxially).
1 reference
Cypselae light tan to dark-brown, columnar, sometimes slightly curved, 5-angled, apices truncate, faces equal, sometimes with ribs between faces, each face with central, narrow, longitudinal groove or furrow (not grooved in S. virgata), otherwise smooth or bumpy to tuberculate, usually glabrous (scaberulous in S. fluminea);
1 reference
pappi persistent (or only widened bases of bristles persistent after distal portions break off) or falling, of 5–40, distinct or basally connate in groups, white to tan, wholly or distally plumose bristles in 1 series.
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
oblong oblanceolate or spatulate
1 reference
oblong oblanceolate or spatulate
1 reference
oblong oblanceolate or spatulate
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference