Eupatorium resinosum

Torrey ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 176. 1836.

Common names: Pine barren thoroughwort
Treatment appears in FNA Volume 21. Treatment on page 472. Mentioned on page 463.
Revision as of 15:30, 18 September 2019 by FNA>Volume Importer

Perennials, 40–100+ cm. Stems (from short rhizomes) single, branched distally (among heads), puberulent throughout. Leaves usually opposite (distal sometimes alternate); sessile; blades pinnately nerved, narrowly elliptic, 40–100+ × 5–20 mm, bases cuneate (not perfoliate), margins serrate, apices acute to acuminate, faces puberulent, gland-dotted. Heads in corymbiform arrays. Phyllaries 10–12 in 2–3 series, elliptic to oblong, 1.5–4 × 0.8–1 mm, apices broadly acute to acute, abaxial faces puberulent, gland-dotted. Florets 9–14; corollas 3–3.5 mm. Cypselae 2–3 mm; pappi of 20–30 bristles 3–3.5 mm. 2n = 20.


Phenology: Flowering Aug–Sep.
Habitat: Moist, low ground, pocosins, bogs, cutover woodlands, pine barrens, acid soils
Elevation: 20–100+ m

Discussion

Eupatorium resinosum is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.
... more about "Eupatorium resinosum"
Kunsiri Chaw Siripun +  and Edward E. Schilling +
Torrey ex de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
Pine barren thoroughwort +
N.J. +, N.C. +  and S.C. +
20–100+ m +
Moist, low ground, pocosins, bogs, cutover woodlands, pine barrens, acid soils +
Flowering Aug–Sep. +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Compositae +
Eupatorium resinosum +
Eupatorium +
species +