Plagiobothrys scouleri var. penicillatus, Scouler's popcornflower
Kingdom: Plantae
Phylum: Magnoliophyta -- flowering plants
Class: Magnoliopsida -- dicotyledons
Family: Boraginaceae
Genus: Plagiobothrys
Species: scouleri
Variety: penicillatus
Common Name: Scouler’s popcornflower
USDA species code: PLSC, PLSCP, PLSCP2, PLSCH
Origin: Native to moist to wet places, often in drying vernal pools, over much of western North America from Alaska to California and east to New Mexico and Wisconsin. The Palouse phase is var. penicillatus.
Rare: no
Form: forb, annual, taprooted or fibrous rooted; stems to 20 cm tall, prostrate to suberect; strigose overall.
Duration: annual
Longevity: annual
Habitat Type: wetland
Wetland Indicator Status: FACW
Leaves: all cauline, linear, entire, 6.5 cm long by 5 mm wide, lower 1-4 pairs opposite, upper alternate.
Mature height: 2-8 inches
Flowers: perfect, borne terminally in a loose-flowered, coiled spike; calyx 2-4 mm long, campanulate, segments lanceolate, ascending-hairy; corolla small, tubular, spreading to 5 lobes, white.
Flower color: white
Bloom:
Bloom starts on:
Bloom ends on:
Fruit: usually 4 nutlets, ovate to lance-ovate, 1.5-2 mm long, wrinkled.
Vegetation type:
Characteristics:
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnston var. hispidulus (Greene) Dorn and P. hispidulus (Greene) I.M. Johnst. are synonymous.
P. hispidulus (Greene) Johnson in St. John 1963 and in Davis 1953, Allocarya hispidulus Greene in Piper & Beattie 1914.
Reproduces sexually by seed.
Annual, may be either taprooted or fibrous rooted.
Flowers are perfect.
Fruit is a nutlet.
Comments:
Sun requirement: full
Soil moisture: wet to moist
Precipitation:
Fire:
Hazards:
Sowing time: probably should be fall sown
Transplant time: not recommended
Stratification: no information available
Seed yield: no information available
Seed harvest:
Seed first harvest: annual
Seed cleaning: no information available
Planting duration: annual
Seed insect problem: no information available
Seed shatter:
Seed size: medium
Seed harvest date: no information available
Seed comments:
Herbaria:
Key words:
Alternate Genus:
Alternate Species: hispidulus
Alternate Variety: hispidulus
Propagation:
Reproduces sexually by seed.
No other information is available.
Notes:
References:
Davis, Ray J. 1952.
Flora of Idaho.
Wm. C. Brown, Dubuque, Iowa. 827 p.
Hitchcock, C. Leo, and Arthur Cronquist. 1973.
Flora of the Pacific Northwest.
Seattle, WA: Univ. of Washington Press.
Piper, C.V., and R.K. Beattie. 1914.
The Flora of Southeastern Washington and Adjacent Idaho.
Lancaster, PA: Press of the New Era Printing Company. 296 p.
St. John, Harold. 1963.
Flora of Southeastern Washington and of Adjacent Idaho. 3rd edition.
Escondido, CA: Outdoor Pictures.
USDA, NRCS. 2009.
The PLANTS Database
Baton Rouge, LA: National Plant Data Center.
http://plants.usda.gov, 13 July 2009.