Senecio clarkianus
Proc. Amer. Acad. Arts 7: 362. 1868.
Endemic
Perennials, (50–) 60–100 (–120) cm (caudices fibrous-rooted). Herbage sparsely floccose-tomentose, unevenly glabrescent. Stems single. Leaves evenly distributed; petiolate; well-developed mid leaves: blades lanceolate to oblong, (8–) 10–15 (–18) × (2–) 3–5 (–9) cm overall, margins deeply dentate or irregularly pinnate-lobed to laciniate; distal leaves sessile, weakly clasping. Heads 8–20 in corymbiform arrays. Calyculi of 3–8+ linear to filiform bractlets (lengths 1/2–3/4+ phyllaries). Phyllaries ± 13 or ± 21, 5–8 mm, tips green. Ray-florets ± 8 or ± 13; corolla laminae 8–12 (–20) mm. Cypselae glabrous.
Phenology: Flowering late summer.
Habitat: Moist meadows, conifer-dominated sites
Elevation: 1400–2700 m
Discussion
Senecio clarkianus grows on west slopes of the central and southern Sierra Nevada.
Selected References
None.
Lower Taxa
None.
... more about "Senecio clarkianus"
introrse +
connate +
papillate +
truncate-penicillate +
scarious +
hispidulous +
papillate +
corymbiform +
continuous +
decurrent +
nerved +
lanceolate;oblong +
winged;nerved;ribbed +
absent +
linear;filiform +
stigmatic +
persistent +
30;80 +
absent +
not 2-lipped +
monomorphic +
glabrous +
staminate +
sessile +
Calif. +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
8;20 +
surrounding +
turbinate;campanulate +
petiolate +
distributed +
erect;recurved +
deltate +
scarious +
well-developed +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
erect +
subequal +
equal +
Proc. Amer. Acad. Arts +
1868 +
pistillate +
absent +
fertile +
epaleate +
foveolate +
flat;convex +
fibrous +
exalbuminous +
modifed +
Endemic +
alternate +
clustered +
erect +
single +
2-branched +
glabrous +
papillate +
Senecio clarkianus +
Senecio +
species +
campanulate +
equaling +
green +
shorter +
perennial +