Senecio ampullaceus
Bot. Mag. 63: plate 3478. 1836.
Endemic
Synonyms: Senecio ampullaceus var. floccosus Engelmann & A. Gray Senecio ampullaceus var. glaberrimus Engelmann & A. Gray
Annuals, (10–) 20–80 cm (roots relatively thin, branching). Herbage loosely arachno-tomentose, unevenly glabrate or glabrescent. Stems single. Leaves progressively reduced distally; petiolate (petioles broadly winged); blades ovatelanceolate, 3–8 (–10) × (1–) 1.5–3 (–4) cm, bases tapered or ± truncate, margins dentate to subentire (mid leaves subsessile, lanceolate; distal subulate, bractlike). Heads (1–) 10–30 in corymbiform arrays. Calyculi of 2–8 bractlets (1–2+ mm). Phyllaries ± 13, (6–) 7–10 mm, tips green to grayish. Ray-florets ± 8; corolla laminae 8–15 mm. Cypselae hirtellous.
Phenology: Flowering early–mid spring.
Habitat: Open sandy or disturbed sites
Elevation: 100–800 m
Discussion
Senecio ampullaceus has been reported for Arkansas and Missouri (St. Louis). It is similar to S. quaylei.
Selected References
None.
Lower Taxa
None.
... more about "Senecio ampullaceus"
introrse +
connate +
papillate +
truncate-penicillate +
scarious +
hispidulous +
papillate +
corymbiform +
continuous +
truncate +
tapered +
nerved +
ovatelanceolate +
winged;nerved;ribbed +
absent +
stigmatic +
persistent +
30;80 +
absent +
not 2-lipped +
monomorphic +
hirtellous +
staminate +
Tex. +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
10;30 +
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 +
Bot. Mag. +
1836 +
pistillate +
absent +
fertile +
epaleate +
foveolate +
flat;convex +
fibrous +
exalbuminous +
modifed +
Endemic +
alternate +
clustered +
erect +
single +
2-branched +
glabrous +
papillate +
Senecio ampullaceus +
Senecio +
species +
campanulate +
equaling +
shorter +
annual +