EcoFloraWeb-KeyUSU-WILD 4950 Group 4

habit

shrubs

herbaceous

longevity

annual or biennial

perennial

sap

latex absent (sap clear)

latex present

leaves/twigs aromatic when crushed

without marked odor

clearly odiferous

blade division

all simple

deeply lobed or divided

some or all fully compound

leaf attachment

sessile or nearly so

leaf stalk (petiole) clearly present

winged petiolate

leaf (leaflet) margin

entire

toothed

lobed

plant sexuality

monoecious

dioecious

bisexual flowers

corolla (petal) fusion

petals separate

fused, at least toward base

corolla symmetry

regular

bilateral

ovary position

sepals/petals attached above middle of ovary (inferior or partly inferior ovary)

sepals/petals attached below middle of ovary (ovary superior)

carpel number

1

2

fruit consistency at maturity

dry/leathery

fleshy

mature fruit dehiscence

opening along 1-2 seams

does not split open to release seed

head type

discoid (disk only)

radiate (rays and disks)

all ligulate

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Home >> Checklist: USU-WILD 4950 Group 4 >> Previous version of Key >> Identification Key (new version): USU-WILD 4950 Group 4 Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images Plant habit shrubs herbaceous longevity annual or biennial perennial sap latex absent (sap clear) latex present leaves/twigs aromatic when crushed without marked odor clearly odiferous Leaves blade division all simple deeply lobed or divided some or all fully compound leaf attachment sessile or nearly so leaf stalk (petiole) clearly present winged petiolate leaf (leaflet) margin entire toothed lobed Inflorescence type solitary spike raceme umbel corymb head/capitate/glomerules panicle cymose plant sexuality monoecious dioecious bisexual flowers Flower principal flower color white or cream purple green yellow orange pink brown inconspicuous corolla (petal) fusion petals separate fused, at least toward base corolla symmetry regular bilateral ovary position sepals/petals attached above middle of ovary (inferior or partly inferior ovary) sepals/petals attached below middle of ovary (ovary superior) carpel number 1 2 Fruit or Cone fruit consistency at maturity dry/leathery fleshy mature fruit dehiscence opening along 1-2 seams does not split open to release seed Composite Traits head type discoid (disk only) radiate (rays and disks) all ligulate USU-WILD 4950 Group 4 Eric LaMalfa, Mary Barkworth, Michael Piep Species Count: 32 Anacardiaceae Rhus aromatica Apiaceae Conium maculatum Asteraceae Achillea millefolium Agoseris glauca Ambrosia deltoidea Ambrosia dumosa Ambrosia psilostachya Amphiachyris dracunculoides Artemisia cana Artemisia filifolia Artemisia frigida Artemisia ludoviciana Artemisia nova Artemisia tridentata Baileya multiradiata Balsamorhiza sagittata Chrysothamnus viscidiflorus Crepis acuminata Ericameria nauseosa Flourensia cernua Grindelia squarrosa Gutierrezia sarothrae Heterotheca villosa Hymenoxys hoopesii Hymenoxys odorata Liatris punctata Picrothamnus desertorum Ratibida columnifera Solidago missouriensis Taraxacum officinale Wyethia amplexicaulis Wyethia mollis
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