Pityopsis graminifolia var. tenuifolia

(Torrey) Semple & F. D. Bowers

Rev. Pityopsis, 24. 1985.

Endemic
Basionym: Inula graminifolia var. tenuifolia Torrey Ann. Lyceum Nat. Hist. New York 2: 212. 1827
Synonyms: Chrysopsis graminifolia var. microcephala (Small) Cronquist Heterotheca microcephala (Small) Shinners Pityopsis graminifolia var. microcephala (Small) Semple
Treatment appears in FNA Volume 20. Treatment on page 227. Mentioned on page 226.

Cauline leaves slightly overlapping, linear-lanceolate, 40–70 × 2–5 mm, reduced distally. Involucres 4.5–8 mm. Phyllary faces (inner) usually sparsely to moderately, rarely densely sericeous throughout, sometimes sparsely glandular distally. Ray-florets 8–12; laminae 4–7 mm. Disc-florets 15–28; corollas 4.5–6 mm, lobes 0.4–0.7 mm, glabrous. 2n = 18.


Phenology: Flowering early fall–spring (Fla).
Habitat: Sandy soils, open oak-pine woods, scrub, roadsides
Elevation: 0–300 m

Distribution

V20-503-distribution-map.gif

Ala., Ark., Fla., Ga., La., N.C., Okla., S.C., Tex.

Discussion

Variety tenuifolia grows on the outer coastal plain from east Texas to North Carolina, and inland to the southern Ozark Plateau. Involucres of some Texas plants are larger than those further east. It is unknown whether such plants are diploid or tetraploid.

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +  and corymbiform to sometimes +
indeterminate +  and determinate +
John C. Semple +
(Torrey) Semple & F. D. Bowers +
decurrent +
Inula graminifolia var. tenuifolia +
3-11-parallel-nerved +
25 cm250 mm <br />0.25 m <br /> (40 cm400 mm <br />0.4 m <br />) +
8 cm80 mm <br />0.08 m <br /> (25 cm250 mm <br />0.25 m <br />) +
linear;lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (2 cm20 mm <br />0.02 m <br />) +
rugulose +  and muricate +
light tan +  and light rust +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
20 (?) +  and 60 (?) +
linear-lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
not 2-lipped +  and actinomorphic +
ampliate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, N.C. +, Okla. +, S.C. +  and Tex. +
0–300 m +
stipitate-glandular +, pilose +  and silvery-sericeous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Sandy soils, open oak-pine woods, scrub, roadsides +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
turbino-campanulate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cauline +  and basal +
long-pilose +
erect;spreading +
deltate +
fimbriate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
2-carpellate +
persistent +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Flowering early fall–spring (Fla). +
lanceolate +
Rev. Pityopsis, +
bearing subulate enations +, hairy +  and bristly +
3 cm30 mm <br />0.03 m <br /> (20 cm200 mm <br />0.2 m <br />) +
erose-fimbrillate +, linear +  and linear-triangular +
exalbuminous +
green +  and brown +
silvery-sericeous +
1 +  and 5 +
appendaged +  and truncate +
papillate +  and smooth +
Chrysopsis graminifolia var. microcephala +, Heterotheca microcephala +  and Pityopsis graminifolia var. microcephala +
Pityopsis graminifolia var. tenuifolia +
Pityopsis graminifolia +
variety +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
tree +, shrub +  and subshrub +