forbs · wildland plant identification rem 351 – university of idaho 1 forbs plants wildland...
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Wildland Plant Identification
REM 351 – University of Idaho 1
Forbs Plants
Wildland Plant IdentificationRangeland Ecology & Management 351
7 Major Forbs
Family Genus species Common Name Character
ASTEREA Solidago missouriensis Missouri Goldonrod (Per / Nat)
EUPATORIEAE Liatris punctata Dotted Gayfeather (Per / Nat)
HELIANTHEAE Baileya multiradiata Desert Marigold (Per / Nat)
HELIANTHEAE Ratibida columnifera Prairie Coneflower (Per / Nat)
FABACEAE Oxytropis lambertii Purple Locoweed (Per / Nat)
RANUNCULACEAE Delphinium occidentale Tall Larkspur (Per / Nat)
SCROPHULARIACEAE Penstemon glaber Sawsepal Penstemon (Per / Nat)
Wildland Plant Identification
REM 351 – University of Idaho 2
Solidago missouriensis
– 1.5 to 4 feet tall– Creeping rhizome or
woody based– Leaves
• Alternate, simple• Margins entire or
serrate
– Stems• Reddish-green• Simple or rarely
branching
ASTEREAE Missouri Goldenrod
– Numerous seed heads on one side of re-curved branches
Solidago missouriensis
ASTEREAE Missouri Goldenrod
Wildland Plant Identification
REM 351 – University of Idaho 3
Liatris punctata
EUPATORIEAE Dotted Gayfeather
• flowers purple/lavender in axil of leaves
• Surface of leaves distinctly punctate
• Leaves linear
• Thick bulb below the soil surface
• Flowers axillary
• Purple/lavender corolla
• Thick, punctatebracts
• Ciliate margins
Liatris punctata
EUPATORIEAE Dotted Gayfeather
Wildland Plant Identification
REM 351 – University of Idaho 4
Baileya multiradiata– Forb– 10-50 cm tall– Woody caudex on top
of taproot– Leaves in basal
rosette• Crowded, whorl of
leaves at the base and alternated above
HELIANTHEAE Desert Marigold
– Flowers• Bright yellow• Limbs 3-toothed at tip• Ray flowers; numerous
disk flowers
Baileya multiradiata
HELIANTHEAE Desert Marigold
Wildland Plant Identification
REM 351 – University of Idaho 5
• Leaves deeply cleft to midrib, with stiff hairs
• Stems from a woody caudex on top of taproot
Ratibida columnifera
HELIANTHEAE Prairie Coneflower
• Ray flowers yellow or red
• Disk flowers brown and in a cylindrical column
Ratibida columnifera
HELIANTHEAE Prairie Coneflower
Wildland Plant Identification
REM 351 – University of Idaho 6
Oxytropis lambertii
– Forb– 13 inches tall– Compound leaves in
basal rosette– Leaves and stems
arise directly from a branching base
FABACEAE Purple Locoweed
– Flowers April to August – Purple/Blue– Flowers elevated above leaves on stem– Leaves and stems arise directly from a
branching base– Flowers “irregular”
Oxytropis lambertii
FABACEAE Purple Locoweed
Wildland Plant Identification
REM 351 – University of Idaho 7
Delphinium occidentale
– ~3 feet tall– Tall hollow stems– Forb– Leaves
• Palmately divided
RANUNCULACEAE Tall Larkspur
-Purple irregular flowers-Flowers have spur-like projection-Inflorescence
•raceme •short petioles
Delphinium occidentale
RANUNCULACEAE Tall Larkspur
Wildland Plant Identification
REM 351 – University of Idaho 8
Penstemon glaber– ~2 ft. tall– Leaves opposite– Basal leaves
lacking or quite small
– Forb
SCROPHULARIACEAESawsepal Penstemon
– Flowers bluish-purple or pink, pale internally
– Irregular– Leaves
• Not hairy• Somewhat of a
waxy leaf surface
Penstemon glaber
SCROPHULARIACEAESawsepal Penstemon