Senecio sheldonensis
Canad. Field-Naturalist 64: 43. 1950.
Endemic
Revision as of 20:15, 29 July 2020 by imported>Volume Importer
Perennials, 30–40 (–50) cm (caudices branched, fibrous-rooted). Herbage glabrous or with scattered hairs near leaf-bases and among heads. Stems single or loosely clustered. Leaves evenly distributed; petiolate or subsessile; blades lanceolate, 4–10 × 2–4 cm, bases ± tapered, margins denticulate (distal leaves sessile, smaller). Heads (1–) 3–5 (–6) in cymiform arrays. Calyculi of 3–7 bractlets (0.5–3 mm). Phyllaries ± 13, 7–10 mm, tips black (hairy). Ray-florets ± 8; corolla laminae ± 10 mm. Cypselae glabrous.
Phenology: Flowering late Jul–mid Aug.
Habitat: Subalpine meadows and valleys
Elevation: 1200–1800 m
Distribution
B.C., N.W.T., Yukon.
Discussion
Senecio sheldonensis is infrequently collected and poorly understood. The treatment here is provisional.
Selected References
None.
Lower Taxa
None.
... more about "Senecio sheldonensis"
introrse +
connate +
papillate +
truncate-penicillate +
scarious +
hispidulous +
papillate +
cymiform +
continuous +
tapered +
nerved +
lanceolate +
winged;nerved;ribbed +
absent +
stigmatic +
persistent +
30;80 +
absent +
not 2-lipped +
10 cm100 mm <br />0.1 m <br /> (?) +
monomorphic +
glabrous +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
3;5 +
surrounding +
turbinate;campanulate +
distributed +
erect;recurved +
deltate +
denticulate +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
erect +
subequal +
equal +
Canad. Field-Naturalist +
1950 +
pistillate +
absent +
fertile +
epaleate +
foveolate +
flat;convex +
fibrous +
exalbuminous +
modifed +
Endemic +
alternate +
clustered +
erect +
single +
2-branched +
glabrous +
papillate +
Senecio sheldonensis +
Senecio +
species +
campanulate +
equaling +
black +
shorter +
perennial +