Pseudobahia peirsonii

Munz

Aliso 2: 84, plate 12, fig. F, plate 13, fig. D. 1949.

Common names: San Joaquin adobe sunburst
EndemicConservation concern
Treatment appears in FNA Volume 21. Treatment on page 353. Mentioned on page 352.

Plants to 70 cm. Leaves 20–60 mm, mostly 2-pinnately (1-pinnately in smaller plants) lobed (lobes 1–5 mm wide). Peduncles 20–80 mm. Phyllaries ± 8, connate at bases, oblanceolate. Ray-florets ± 8. Disc-florets 25+; tubes cylindro-funnelform, gradually dilated, lobes with glandular-hairs. Cypselae ± 3 mm. 2n = 16.


Phenology: Flowering Mar–May.
Habitat: Bare, clayey areas in grasslands
Elevation: 100–900 m

Discussion

Of conservation concern.

Within populations, some individuals of Pseudobahia peirsonii have ray corollas with ultraviolet-reflective tips, others not.

Selected References

None.

Lower Taxa

None.
... more about "Pseudobahia peirsonii"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +, glomerate +  and corymbiform +
indeterminate +  and determinate +
Dale E. Johnson +
decurrent +
Monolopia sect. Pseudobahia +
compound +  and simple +
entire;3-lobed;lobed +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
San Joaquin adobe sunburst +
glabrate +  and hairy +
papillate +
obpyramidal +  and clavate +
fertile +  and bisexual +
fertile +  and bisexual +
100–900 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Bare, clayey areas in grasslands +
disciform +  and discoid +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
hemispheric +
2 cm20 mm <br />0.02 m <br /> (?) +  and 6 cm60 mm <br />0.06 m <br /> (?) +
papillate +
deltate +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
of 1 +  and 12+ aristate +
coroniform +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering Mar–May. +
scarious-margined +
weakly +  and flat +
glabrous +, glabrate +, woolly +  and tomentose +
conic;hemispheric +
exalbuminous +
Endemic +  and Conservation concern +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Undefined (tribe Undefined) subtribe Eriophyllinae +
Pseudobahia peirsonii +
Pseudobahia +
species +
cylindric +
dilated +
toothed +  and entire +
30 cm300 mm <br />0.3 m <br /> (70 cm700 mm <br />0.7 m <br />) +
0 cm0 mm <br />0 m <br /> (30 cm300 mm <br />0.3 m <br />) +