Difference between revisions of "Seymeria cassioides"

Revision as of 18:26, 24 September 2019

Stems pubescent to villous, eglandular. Leaves: blade margins 2-pinnatifid, pinnules filiform, surfaces not scabrid. Pedicels 3–6 mm. Flowers: calyx lobes linear, margins entire; corolla yellow, with purple markings in throat, externally glabrous, internally pubescent proximal to adaxial sinus, between lobes, and in a ring at stamen insertion; filaments glabrous distally, anthers dehiscing to 1/4 length. Capsules symmetric, pyriform, glabrous. Seeds ovoid, reticulate, wings absent. 2n = 26.

Phenology: Flowering and fruiting Sep–Oct.
Habitat: Dry to moist pine forests, pine savannas, sandhills and scrub of coastal plains.
Elevation: 0–300 m.

Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., Va., West Indies (Bahamas).

Discussion

Seymeria cassioides is an obligate parasite of 11 pine species in the southeastern United States; it is also capable of growing on western pines and other conifers (W. F. Mann and L. J. Musselman 1980). Infestations of pine plantations are not common; in sufficient numbers, S. cassioides may produce chlorosis and mortality in cultivated Pinus elliottii and P. taeda (H. E. Grelen and Mann 1973).

Selected References

None.

Lower Taxa