Rigiopappus leptocladus
Proc. Amer. Acad. Arts 6: 548. 1865.
IllustratedEndemic
Treatment appears in FNA Volume 20. Treatment on page 49.
Leaf-blades mostly 9–30+ × 1–2 (–5+) mm. Peduncles often wiry, ± hirsutulous to pilosulous near heads. Involucres 4–7+ mm. Ray corollas: tubes 1.5–2+ mm, laminae narrowly elliptic, 0.3–1 mm. Disc corollas: tubes 0.2–0.4 mm, throats 1–1.5 mm, lobes 0.1–0.3 mm. Cypselae 4–5 mm; pappi 1–4+ mm or much reduced (rays). 2n = 18.
Phenology: Flowering Apr–Jul.
Habitat: Grassy sites, chaparral, pine forests, sagebrush scrub
Elevation: 100–1600(–2300) m
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Rigiopappus leptocladus"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
continuous +
decurrent +
ribbed +
stigmatic +
persistent +
absent +
tipped +
absent +
monomorphic +
dimorphic +
4mm;5mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
Present +
surrounding +
less cylindric;turbinate +
elliptic +
1mm;2mm +
sessile +
alternate +
cauline +
erect +
deltate +
? (?) +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
reduced +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
subequal +
Proc. Amer. Acad. Arts +
1865 +
pistillate +
absent +
fertile +
rugulose +
compressed +
paleate +
pitted +
concave;usually flat;conic +
fibrous +
subulate +
exalbuminous +
modifed +
2;3 +
alternate +
erect +
2-branched +
glabrous +
Rigiopappus leptocladus +
Rigiopappus +
species +
shorter +
annual +