Oncosiphon piluliferum
Bot. J. Linn. Soc. 96: 314. 1988.
Common names: Stinknet globe chamomile
IntroducedIllustrated
Basionym: Cotula pilulifera Linnaeus f. Suppl. Pl., 378. 1782
Synonyms: Matricaria globifera (Thunberg) Fenzl ex Harvey Pentzia globifera (Thunberg) Hutchinson
Treatment appears in FNA Volume 19. Treatment on page 539.
Herbage with vile odor. Leaf-blades mostly obovate, 20–35 mm, ultimate lobes linear to spatulate or oblanceolate, 0.5–1 mm wide, sparsely puberulent or strigillose, minutely gland-dotted (in pits). Heads borne singly or 2–4 in corymbiform arrays. Peduncles 1–2 (–8) cm, ebracteate. Involucres 3–3.5 × 4–6 mm. Receptacles ± conic to subspheric, muricate. Disc corollas 1.5–2 mm. Cypselae slightly curved, 0.6–0.8 mm, sparingly dotted with minute, glistening oil-glands; pappi coroniform, 0.05–0.1 mm, margins subentire or minutely dentate. 2n = 12.
Phenology: Flowering Mar–Jun.
Habitat: Disturbed sites, coastal scrub
Elevation: 500–900 m
Distribution
Introduced; Ariz., Calif., South Africa
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Oncosiphon piluliferum"
introrse +
connate +
truncate +
scarious +
ovate +
hirsute +
papillate +
absent +
corymbiform +
continuous +
decurrent +
obovate +
lobed;ovate;obovate +
stigmatic +
absent +
yellow +
absent +
lacking +
dotted +
curved +
dimorphic +
0.6mm;0.8mm +
staminate +
straight +
gland-dotted;gland-dotted +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
discoid +
singly +
indeterminate +
2;4 +
Present +
true +
surrounding +
hemispheric +
alternate +
cauline +
triangular +
scarious +
glistening +
minute +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
coroniform +
ebracteate +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
unequal +
Bot. J. Linn. Soc. +
1988 +
absent +
epaleate +
muricate +
less conic;subspheric +
fibrous +
exalbuminous +
modifed +
3;4 +
alternate +
branched +
gland-dotted +
2-branched +
glabrous +
papillate +
Oncosiphon piluliferum +
Oncosiphon +
species +
cylindric +
gland-dotted +
linear;spatulate or oblanceolate +
annual +