Senecio astephanus
Pittonia 1: 174. 1888.
EndemicConservation concern
Perennials, 40–100 cm (caudices unknown). Herbage unevenly floccose-lanate or tomentose, glabrescent. Stems single. Leaves progressively reduced distally; petiolate; blades elliptic-ovate to lanceolate, 10–20 (–30?) × 3–7+ cm, bases tapered, margins dentate to denticulate (teeth cartilaginous; mid leaves similar, sessile, smaller; distal leaves bractlike). Heads 10–20+ in loose or congested, cymiform arrays. Calyculi of 5–8+ lance-linear to filiform bractlets (lengths 1/3–7/8 phyllaries). Phyllaries ± 21, 7–8 mm, tips greenish. Ray-florets 0. Cypselae glabrous. 2n = 40.
Phenology: Flowering spring.
Habitat: Steep, rocky slopes
Elevation: 400–1500 m
Discussion
Of conservation concern.
Senecio astephanus is collected infrequently.
Selected References
None.
Lower Taxa
None.
... more about "Senecio astephanus"
introrse +
connate +
papillate +
truncate-penicillate +
scarious +
hispidulous +
papillate +
continuous +
tapered +
nerved +
elliptic-ovate;lanceolate +
winged;nerved;ribbed +
absent +
lance-linear;filiform +
stigmatic +
persistent +
30;80 +
absent +
not 2-lipped +
monomorphic +
glabrous +
staminate +
Calif. +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
10;20 +
surrounding +
turbinate;campanulate +
petiolate +
alternate +
erect;recurved +
deltate +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
erect +
subequal +
equal +
Pittonia +
1888 +
pistillate +
absent +
fertile +
epaleate +
foveolate +
flat;convex +
fibrous +
exalbuminous +
modifed +
alternate +
clustered +
erect +
single +
2-branched +
glabrous +
papillate +
Senecio astephanus +
Senecio +
species +
campanulate +
equaling +
greenish +
shorter +
perennial +