Difference between revisions of "Pluchea odorata"
in F. Cuvier, Dict. Sci. Nat. ed. 2, 42: 3. 1826.
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Revision as of 22:44, 13 August 2020
Annuals or perennials, 20–200 cm; fibrous-rooted. Stems stipitate- to sessile-glandular (commonly with eglandular but viscid hairs as well), not arachnose. Leaves 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). Heads 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). Involucres cylindro-campanulate, 5–6 × 4–8(–10) mm. Phyllaries usually cream, sometimes purplish, minutely sessile-glandular (outer usually also puberulent), sometimes glabrate. Corollas pink to rosy or purple. Pappi persistent, bristles distinct. 2n = 20.
Distribution
Ont., Ala., Ariz., Ark., Calif., Conn., Del., Fla., Ga., Ill., Ind., Kans., La., Maine, Mass., Md., Mich., Miss., N.C., N.J., N.Mex., N.Y., Nev., Okla., Pa., R.I., S.C., Tex., Utah, Va., South America, w Africa, Pacific Islands.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Involucres 5–6 × 4–6(–7) mm; functionally staminate florets 6–13(–19); plants 20–80(–200) cm | Pluchea odorata var. odorata |
| 1 | Involucres 5–6 × 7–8(–10) mm; functionally staminate florets (14–)21–34; plants 20–60 cm | Pluchea odorata var. succulenta |