Flora of North America species comparison

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Ageratina jucunda

hammock snakeroot, lesser snakeroot
Habit 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.
Peduncles

2–10 mm, sparsely puberulent.
Involucres

2.5–4 mm.
Corollas

white, lobes glabrous or sparsely short-hirtellous.
Phyllaries

apices acute, abaxial faces puberulent to villous-puberulent.
Heads

clustered.
Cypselae

usually finely hirtellous-strigose on distal 1/3, sometimes glabrous.
2n

= 34.

Ageratina jucunda
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 (0–200 ft)
Distribution
from FNA
FL; GA
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 551.
Parent taxa Asteraceae > tribe Eupatorieae > Ageratina
Sibling taxa
A. adenophora, A. altissima, A. aromatica, A. havanensis, A. herbacea, A. lemmonii, A. luciae-brauniae, A. occidentalis, A. paupercula, A. rothrockii, A. shastensis, A. thyrsiflora, A. wrightii
Synonyms Eupatorium jucundum
Name authority (Greene) Clewell & Wooten: Brittonia 23: 142. (1971)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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