Thymophylla pentachaeta var. puberula

(Rydberg) Strother

Sida 11: 377. 1986.

Basionym: Thymophylla puberula Rydberg in N. L. Britton et al., N. Amer. Fl. 34: 177. 1915
Synonyms: Dyssodia puberula (Rydberg) Standley Dyssodia pentachaeta var. puberula (Rydberg) Strother
Treatment appears in FNA Volume 21. Treatment on page 242.
Revision as of 22:34, 29 July 2020 by imported>Volume Importer
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Leaves 10–28 mm overall, lobes 3–7 (–10), subequal. Peduncles 40–100 mm. Calyculi 0, or of 1–3 bractlets. Involucres campanulate to hemispheric, 4.5–5.5 × 4–5 mm. Phyllaries 12–17, margins of outer distinct ca. 1/3 their lengths, abaxial faces densely puberulent. Disc-florets 50–70. Pappi of 5 erose scales alternating with 5, 1–3-aristate scales.


Phenology: Flowering early spring and late summer, following rains.
Habitat: Calcareous bluffs and slopes, scrublands, deserts
Elevation: 300–2200 m

Discussion

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
darkened +  and pale +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(Rydberg) Strother +
decurrent +
Thymophylla puberula +
compound +  and simple +
0.6 cm6 mm <br />0.006 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +  and orange-yellow +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
strigillose +  and glabrous +
cylindro-clavate +, obconic +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Tex. +  and Mexico +
300–2200 m +
tomentose +, puberulent +, lanate +, floccose +, canescent +, arachnose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Calcareous bluffs and slopes, scrublands, deserts +
cymiform +, corymbiform +, discoid +  and radiate +
singly +  and radiant +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
campanulate;hemispheric +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and petiolate +
1 cm10 mm <br />0.01 m <br /> (?) +  and 2.8 cm28 mm <br />0.028 m <br /> (?) +
linear +  and filiform +
subequal +
dentate to pinnatifid or palmatifid +  and entire +
1/5;lengths +
2-carpellate +
persistent +
of 10(-20) distinct scales +  and coroniform +
glabrous +  and puberulent +
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Flowering early spring and late summer, following rains. +
12 +  and 17 +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
alternating +
distinct +
1-3-aristate +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
exalbuminous +
Illustrated +
spreading +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Dyssodia puberula +  and Dyssodia pentachaeta var. puberula +
Thymophylla pentachaeta var. puberula +
Thymophylla pentachaeta +
variety +
cylindric +
toothed +  and entire +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 m <br />) +
less grayish +  and green +
glabrous +, glabrescent +, usually puberulent +  and canescent +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 m <br />) +
less grayish;green +
glabrous +, glabrescent +, usually puberulent +  and canescent +