Plant Species: Amsinckia lycopsoides, tarweed, fiddleneck
Kingdom: Plantae
Phylum: Magnoliophyta -- flowering plants
Class: Magnoliopsida -- dicots
Family: Boraginaceae -- borage
Genus: Amsinckia
Species: lycopsoides
Variety:
Common Name: tarweed, fiddleneck
Species Code: AMLY
Origin: Native to xeric to mesic, often disturbed areas in North America.
Rare: no
Form: forb, 10-60 cm.
Duration: annual
Longevity: annual
Habitat Type: prairie
Wetland Indicator Status: not listed
Leaves: alternate
Mature height: 4-24 inches
Flowers: perfect, yellow, borne in a coiled (scorpioid) cluster; gamopetalous; sepals free; corolla yellow, 4-7 mm long, throat obstructed by the hairy fornices; stamens inserted below the middle of the corolla tube.
Flower color: yellow
Bloom: April, May, June
Bloom starts on: April
Bloom ends on: June
Fruit: Fruit is a nutlet.
Vegetation type:
Characteristics:
Reproduces sexually by seed. Plants are weedy annuals and require disturbance to persist.
225,000 seeds/lb (USDA NRCS PLANTS Database 2009).
Taprooted.
2n=30.
The nutlets of at least some species are poisonous when eaten.
The plants are covered with short, stiff hairs which irritate the skin.
Comments:
Sun requirement: full
Soil moisture: dry to mesic
Precipitation:
Fire:
Hazards: Weedy. Stiff hairs irritate the skin.
Sowing time:
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Stratification:
Seed yield:
Seed harvest:
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Seed cleaning:
Planting duration: annual
Seed insect problem:
Seed shatter:
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Seed comments:
Key words: weedy, weed
Alternate Genus:
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Propagation:
Notes:
References:
USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 15 July 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.