Pentachaeta exilis subsp. exilis

Endemic
Treatment appears in FNA Volume 20. Treatment on page 47.

Ray (pistillate) corollas elaminate or with apiculum 0.1–0.5 (–1) mm. Disc-florets 3–6 (–15); corolla lobes red-purple; style-branches (0.7–) 1–2 mm, stigmatic portions 0.4–0.5 mm. 2n = 18.


Phenology: Flowering (Mar–)Apr–May.
Habitat: Slopes and flats, grassy areas, chaparral, clays, or sometimes over serpentine
Elevation: 0–900 m

Discussion

Selected References

None.

Lower Taxa

None.

"widened" is not a number.

sparsely +  and eglandular +
hirsuto-pilose +  and glabrous +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
(A. Gray) A. Gray +
decurrent +
Aphantochaeta exilis +
compound +  and simple +
narrowly oblanceolate;linear or filiform +
rugulose +  and muricate +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
not 2-lipped +  and actinomorphic +
yellowish +  and reddish +
club--shaped +
subterete +  and slightly compressed +
fertile +  and bisexual +
fertile +  and bisexual +
0–900 m +
pilose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Slopes and flats, grassy areas, chaparral, clays, or sometimes over serpentine +
discoid +  and disciform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
turbinate;campanulate +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
linear;filiform +
cauline +  and basal +
purplish red;yellow +
triangular +
2-carpellate +
persistent +
not dilated +
Flowering (Mar–)Apr–May. +
sparsely +  and glabrous +
elliptic +  and obovate +
Proc. Amer. Acad. Arts +
with apiculum +  and elaminate +
bearing subulate enations +, hairy +  and bristly +
flat;slightly convex +
exalbuminous +
unequal +
branched +  and simple +
erect +  and ascending +
sparsely villous +  and tomentose +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Chaetopappa exilis +
Pentachaeta exilis subsp. exilis +
Pentachaeta exilis +
subspecies +
clavate +  and linear-tubular +
2 cm20 mm <br />0.02 m <br /> (48 cm480 mm <br />0.48 m <br />) +