Thymophylla micropoides

(de Candolle) Strother

Sida 11: 377. 1986.

Basionym: Gnaphalopsis micropoides de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 7: 258. 1838
Synonyms: Dyssodia micropoides (de Candolle) Loesener
Treatment appears in FNA Volume 21. Treatment on page 241. Mentioned on page 240.
Revision as of 22:33, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Perennials, ashy white, to 15+ cm, arachnose to floccose. Stems spreading, often prostrate. Leaves mostly alternate; blades not lobed, spatulate, 10–25 × 3–6 mm, margins entire or toothed. Peduncles 0–5+ mm, tomentose. Calyculi of 3–5 linear bractlets, lengths 1/2+ phyllaries. Involucres obconic, 6–7 mm. Phyllaries 12–14, margins of outer distinct less than 1/5 their lengths, abaxial faces tomentose. Ray-florets 10–15; corollas bright-yellow, becoming greenish, laminae 5 × 3 mm. Disc-florets ca. 60; corollas yellow, 3 mm. Cypselae 2.3–3 mm; pappi of 5 erose scales to 1 mm alternating with 5 lanceolate, 1-aristate scales to 3 mm. 2n = 16.


Phenology: Flowering year round, following rains.
Habitat: Calcareous outcrops and derived soils
Elevation: 50–200+ m

Distribution

V21-589-distribution-map.gif

Tex., Mexico (Coahuila), Mexico (Nuevo León), Mexico (Tamaulipas)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Thymophylla micropoides"
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 +
(de Candolle) Strother +
decurrent +
Gnaphalopsis micropoides +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
spatulate;not lobed +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
deltate;linear +
barbellulate +  and barbellate +
yellow +, greenish +  and bright-yellow +
3 cm30 mm <br />0.03 m <br /> (?) +
strigillose +  and glabrous +
cylindro-clavate +, obconic +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Tex. +, Mexico (Coahuila) +, Mexico (Nuevo León) +  and Mexico (Tamaulipas) +
50–200+ m +
tomentose +, puberulent +, lanate +, floccose +, canescent +, arachnose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Calcareous outcrops and derived soils +
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 />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
sessile +  and petiolate +
deltate +, spatulate +  and linear or filiform +
dentate to pinnatifid or palmatifid +  and entire +
0 +  and 1/5 +
toothed +  and entire +
2-carpellate +
persistent +
of 10(-20) distinct scales +  and coroniform +
0 cm0 mm <br />0 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering year round, following rains. +
12 +  and 14 +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
distinct +
1-aristate +  and lanceolate +
0 cm0 mm <br />0 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Dyssodia micropoides +
Thymophylla micropoides +
Thymophylla +
species +
cylindric +
toothed +  and entire +
arachnose +  and floccose +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
shrub +  and subshrub +