Pluchea carolinensis
Pluchea odorata
cough bush, cure-for-all, sourbrush, sourbush, wild tobacco
marsh fleabane, salt marsh fleabane, shrubby camphor-weed, sweet-scented camphorweed, sweetscent
matted-villous with viscid, vitreous hairs, proximally glabrescent, not evidently glandular.
stipitate- to sessile-glandular (commonly with eglandular but viscid hairs as well), not arachnose.
petiolate (petioles 10–40 mm);
blades (thickish, strongly bicolor) elliptic to oblong-obovate or ovate, 5–16(–20) × 2–6(–8) cm, margins entire or denticulate (teeth callous-tipped), abaxial faces moderately or sparsely matted-villous to crinkly-puberulent, adaxial (green) glabrate.
petiolate or sessile;
blades (succulent, drying thin) lance-ovate to ovate or ovate-elliptic, mostly 4–15 × 1–7 cm, margins shallowly serrate, faces glabrate to moderately or densely pubescent (hairs crinkly).
broadly campanulate to cupulate, 4.5–6 × 5–10 mm.
cylindro-campanulate, 5–6 × 4–8(–10) mm.
whitish to pink-lavender.
pink to rosy or purple.
greenish to creamy or tan, sometimes slightly purple, glandular-tomentose.
usually cream, sometimes purplish, minutely sessile-glandular (outer usually also puberulent), sometimes glabrate.
in dense, corymbiform arrays (held beyond the leaves, axes minutely bracteate, bracts abruptly differentiated from cauline leaves).
in corymbiform arrays (flat-topped to rounded, often layered, sometimes incorporating relatively long, leafy, lateral branches, clusters of heads terminal on branches, some lateral branches nearly equaling or surpassing central portions).
tardily falling, bristles distinct.
persistent, bristles distinct.
= 20.
= 20.
Pluchea carolinensis
Pluchea odorata
Pluchea carolinensis is naturalized in the Hawaiian Islands and other Pacific Islands.
The names Pluchea odorata of authors, not (Linnaeus) Cassini, and P. symphytifolia of authors, not Conyza symphytifolia Miller in the sense of W. T. Gillis (1977), have been used for plants here called Pluchea carolinensis. The taxon was long identified as P. odorata (R. K. Godfrey 1952) and was known as P. [Conyza] symphytifolia (Miller) Gillis for a while. Conyza symphytifolia Miller is a synonym of Neurolaena lobata (Linnaeus) Cassini (R. Khan and C. E. Jarvis 1989).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Involucres 5–6 × 4–6(–7) mm; functionally staminate florets 6–13(–19); plants 20–80(–200) cm | var. odorata |
1. Involucres 5–6 × 7–8(–10) mm; functionally staminate florets (14–)21–34; plants 20–60 cm | var. succulenta |
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