Ageratina jucunda

(Greene) Clewell & Wooten
Brittonia 23: 142. 1971.
Common names: Hammock snakeroot
Endemic
Basionym: Eupatorium jucundum Greene Pittonia 3: 180. 1897,
Treatment appears in FNA Volume 21. Treatment on page 551. Mentioned on page 548.

Perennials, 40–80(–100) cm. Stems erect, lax, minutely pilose. Leaves opposite; petioles 7–15(–22) mm; blades narrowly deltate to rhombic, 2–6(–7) × 1.5–4 cm, (usually subcoriaceous) bases usually cuneate, sometimes truncate to slightly subcordate, margins usually coarsely serrate or incised, sometimes crenate to subentire, apices acute to acuminate, abaxial faces glabrous or hairy on veins. Heads clustered. Peduncles 2–10 mm, sparsely puberulent. Involucres 2.5–4 mm. Phyllaries: apices acute, abaxial faces puberulent to villous-puberulent. Corollas white, lobes glabrous or sparsely short-hirtellous. Cypselae usually finely hirtellous-strigose on distal 1/3, sometimes glabrous. 2n = 34.


Phenology: Flowering (Sep–)Oct–Dec(–Jan).
Habitat: Sand pine scrub, longleaf pine-turkey oak sand ridges, pine-palmetto, live-oak woods, hammocks, dunes, roadsides, old fields, stream banks, dry flatwoods
Elevation: 0–50 m

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Ageratina jucunda"
Guy L. Nesom +
(Greene) Clewell & Wooten +
Eupatorium jucundum +
Hammock snakeroot +
Fla. +  and Ga. +
0–50 m +
Sand pine scrub, longleaf pine-turkey oak sand ridges, pine-palmetto, live-oak woods, hammocks, dunes, roadsides, old fields, stream banks, dry flatwoods +
Flowering (Sep–)Oct–Dec(–Jan). +
Compositae +
Ageratina jucunda +
Ageratina +
species +