Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
CHROMOLAENA de Candolle, Prodr. 5: 133. 1836.
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TYPE: Chromolaena horminoides de Candolle
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Chromolaena frustrata | CAPE SABLE THOROUGHWORT | Native Rare-State Endangered-US | ||
| Chromolaena ivifolia | IVYLEAF THOROUGHWORT | Not Native | ||
| Chromolaena odorata | JACK-IN-THE-BUSH | Native FAC (NWPL) |
Identification Key
1. Petiole 0-2(3) mm long; inner phyllary apices petaloid, loose, hyaline, pinkish or purplish
1. Petiole 3-25 mm long; inner phyllary apices appressed, not or scarcely petaloid, whitish
2
2. Leaf blades 1-5 cm long, to 2.5 cm wide; involucres 5.5-7.5(8) mm long
2. Leaf blades (1.5)5-12 cm long, 1.5-6 cm wide; involucres (7)8-10 mm long
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Osmia | Osmia Schultz Bipontinus, Jahresber. Pollichia 22-24: 251. 1866. | TYPE: Osmia odorata Schultz Bipontinus |