Pityopsis graminifolia var. graminifolia

Treatment appears in FNA Volume 20. Treatment on page 226. Mentioned on page 223, 228.

Cauline leaves: distal slightly overlapping, linear-lanceolate, reduced distally, 15–20 × 4.5–10 mm. Heads 8–50. Peduncles sericeous. Involucres 4.5–7 mm. Phyllary faces (inner) sparsely to moderately sericeous proximally, densely stipitate-glandular apically. Ray florets 6–15; laminae 7–10 mm. Disc florets 16–29; corollas 3.2–5.2, lobes 0.5–0.7 mm, glabrous. 2n = 18.


Phenology: Flowering fall.
Habitat: Outer coastal plain
Elevation: 0–60 m

Distribution

V20-501-distribution-map.gif

Ala., Fla., Ga., La., Miss., N.C., S.C.

Discussion

Variety graminifolia is similar to var. tenuifolia in its reduced distal cauline leaves, sericeous peduncles, and small involucres (4.5–8 mm). Hybrids between var. tenuifolia and Pityopsis aspera var. adenolepis could be confused with var. graminifolia.

Selected References

None.

Lower Taxa

None.
John C. Semple +
(Michaux) Nuttall +
Inula graminifolia +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +  and S.C. +
0–60 m +
Outer coastal plain +
Flowering fall. +
Trans. Amer. Philos. Soc., n. s. +
Illustrated +
Chrysopsis graminifolia +  and Heterotheca graminifolia +
Pityopsis graminifolia var. graminifolia +
Pityopsis graminifolia +
variety +